<span>It caused widespread unemployment in Germany, but not in the Soviet Union. </span>
Answer:
Industrial Revolution.
Explanation:
Industrial Revolution process in the mid to late nineteenth century most directly led to situations in which non-Western countries found it very difficult to protect their indigenous industries from Western competition.
President McKinley didn't want to get in the War at the time, but some things happened which pushed him into joining. Once reason was the fact our battleship, <em>U.S.S.</em> <em>Maine,</em> was sunk. Spain wasn't proven to be involved, but USA had good reason to believe that they were. Yellow Journalism was also a pretty big factor.
Although you only asked for two, I'm just going to give you the other two reasons as well. The United States supported Cuba's desire to have independence so we wanted to go to War for them so they could enjoy like we were. And, lastly, we wanted to protect our business interests with Cuba.
Muslim slave trade was much smaller than European slave trade, and Muslim slaves for purpose of slaves as <span>soldiers, servants, etc., Europeans for purpose of working on plantations and other slave labor. </span>
They were scared of how rapidly it was spreading. It had taken control of some strong powers which the Americans feared could lead to a war. It lead to the cold war which isn't a physical war but it was a very frightening. Both sides had control over hundreds of nuclear warheads, so yea, we peed our pants. All it took was a simple remark to mark the end of humanity. It went a little like this;
Communist: Say I wont press the button.
Us: You wont.
Coms: WHAT??? *Reaches for button*
US: NO I WAS JOKING! WE WILL DO WHATEVER YOU WANT!
Coms: Keep talking...
And that pretty much what happened. The communist were strong back then, who knows what there capable of in the future.
Hope I helped. :)