Why did western nations become interested in saudi arabia during the 20th century?

What were the death camps? who was sent there?

To your knowledge had the usa ever invaded canada after the war of 1812

The chinese government has tried to control its people in all of the following ways except: question 1 options: create and spread propaganda in the media censorship of the media allowing people to create their own social media deleting people's social media posts without their permission