Answer:
The US has had the leading economy since it has a controlled economy and it manages its money but the US's economy is going to start going down if they don't stop wasting/spending money.
Marco Polo was a Venetian merchant who travelled the Far East reaching the empires of China and Mongolia. Along with his family, interacted with the emperors of both countries and was believed that he was once a special guest of a Chinese emperor during his travels. His voyage made the Europeans know more about the lands at the Far East of the globe and became vital for trade and industry.
This link should help you write a brief paragraph explaining the selective service act in WW1.
They were called redcoats because of their red uniforms. They looked nice, but the uniforms were very uncomfortable. The jackets were made of wool.
The intent of each of these laws are:
1. Homestead Act - gave an opportunity to settlers to own a land with its requirement that the owner is the head of the family and is a citizen.
2. Pacific Railway Act - gave huge grants of land to railway companies.
3. Morrill Act - gave land to the states and establish colleges specializing in agriculture and mechanic arts.
