The trade between United States and Mexico started in late 19th century after the Mexican revolution. The trade relationship between US and Mexico was good as the United States was investing more in Mexican business.
U.S was trading oil from Mexico as it is the most crucial thing for the United States. More these two countries are part of NAFTA (a trading agreement) along with Canada. Due to this treaty between three countries, the countries are free from trade barriers.
They were successful because their goal was to get rid of slavery and have the union win the civil war. They were able to get the 13th amendment passed (with the bribery of some Democrats) and win the civil war in four years.
Economic system there are a few restrictions
Placed on business Activities and ownership in terms of trade and government control
Answer:
Anything that isn't Chemistry
Explanation:
possibly Computer Science A