It was an agreement to treat christians nicely/fairly in the Roman Empire, rather than treating them poorly. It was later that christianity became the most popular religion there. Hope I helped :)
1.) Better roads
2.) Tracks si it was better to navigate
Russa, or the U.S.S.R. at that time. When the U.S. found out about Russian missiles in Cuba, they established sanctions once the U.S.S.R. got rid of the missiles. So as soon as the Russians put missiles in Cuba, it was a domino effect that led up to the cold war.
The force driving behind European Imperialism in Africa was when the Europeans took advantage of advances in technology to enhance their ability to acquire resources from Africa.
