The World Wars were two of the most devastating and pivotal periods in 20th century history. And, after 1945 it was widely said that we'd never see another war like it. We can only hope that that's true, and that total war never happens again! But, what if global conflict did strike up once more? What if the fighting between armies and militaries all over the world caused all-new war zones all over the planet? How long could we withstand World War 3?

Actors who are a constant source of friction and conflict on set, resulting in difficult productions of movies and tv. WatchMojo presents the Top 10 actors who are a nightmare to work with on set. But who will take the top spot, funny-man Chevy Chase, classic starlet Joan Crawford, or Batman superstar Christian Bale? Watch to find out!

Moving into 2016, the political tension in the Middle East shows no sign of subsiding. Welcome to http://www.WatchMojo.com News, the weekly series where we break down news stories that might be on your radar. In this instalment, we're counting down 10 crucial facts you should know about the Saudi Arabia crisis.

It can be described as the most important resource on Earth, but with supply dwindling on some parts of the planet it’s also providing inspiration for conflict in the 21st century. Welcome to http://www.WatchMojo.com and today we're counting down 10 crucial facts you should know about the Global Water Wars.

This war included the longest siege in modern times. http://www.WatchMojo.com looks back at the events that led to the Bosnian War, as well as some of the key dates and events that occurred during this conflict.

Saddam Hussein called this 'the mother of all battles.' http://www.WatchMojo.com looks back at the events that led to the Persian Gulf War, as well as some of the key dates and events that occurred during this conflict.

In a discussion about his book, Anatomy of a Disappearance, http://www.WatchMojo.com speaks with Libyan author Hisham Matar about Muammar Gaddafi and his dictatorship, the conflict in Libya, and what it all means for the Libyan people.

War... what is it good for? For this list, we’ll be ranking the most impactful, affecting, or otherwise enduring war docs that stood with us long after the credits stopped rolling.

Violence, social upheaval, and corruption. You'll find all three and more in these dangerous places. For this list, we’ll be looking at conflict zones around the world.

These animated movie scandals showed just how controversial toons can be. For this list, we’ll be looking at animated features that sparked controversy due to their content or behind-the-scenes conflict.

Who has the edge in these cinematic rumbles? For this list, we’re looking at instances when characters fought, killed, or came into conflict with mirror images of themselves.

These are the zodiac signs that don't get along. For this list, we’ll be looking at pairings of astrological signs that could possibly be rife with conflict.

Shockingly brutal fatalities all around! For this list, we’ll be looking at the best “Mortal Kombat” crossovers, be it as DLC characters in NetherRealm Studios’ series, or when the characters from the blood soaked franchise appeared in other properties.

A large part of the twentieth century was occupied with the Cold War, the tense and dangerous diplomatic conflict primarily between the USA and the USSR. These two global superpowers spent years aiming to out-do each other via their militaries, industry and technology, with a particular focus - especially during the early stages - on the space race. In this video, Unveiled imagines what would have happened if the space race had never ended!

Some of our favorite films likely would’ve been over in a few minutes if they took place today. For this list, we’re taking a look at conflicts in movies that easily could’ve been resolved or avoided entirely if only the main characters had smartphones. Since we’ll be dissecting some key plot points, a spoiler alert is in order. Our countdown includes films such as “Scream” (1996), “The Blair Witch Project” (1999) & “Ferris Bueller’s Day Off” (1986). Which movie plot do YOU think would not exist with smartphones? Let us know in the comments!