There is a lot of systems what r u asking about
It wasn't so much the Civil War, but the expansion of the United States that led to the Civil War, that brought about the Second Industrial Revolution, since this expansion brought a need for massive amounts of railroad materials.
The Good Neighbor policy was a foreign policy that US President Franklin Roosevelt adopted regarding the affairs of Latin America. Basically it was a non interference and non intervention principle that the US adopted regarding the political and economical affairs to Latin America to show that they were being a "good neighbor." The Good Neighbor allowed the US to build strong ties to several countries in Latin America, however it was essentially dissolves when the Cold War began in 1945 and the US felt a stronger need to protect its close allies.
Answer:
The Mongols. (Genghis Khan, so on, so on.)
Explanation:
When the Mongol Empire was per se at its peak, the Mongols had controlled much of Eastern Europe and the majority of mainland Asia. This meant they controlled The Silk Road, the many trade routes between Europe and China.
Answer: 1 is speed, 2 is mass I believe, 3 is mass and speed
Explanation: I’m just going off what I know, I’m not sure but I think I’m right
