Answer:
I can answer your question for A.
Explanation:
South America and North America began to exchange goods and both of their economies prospered, and the Monroe doctrine dictated that European powers were forbidden from interfering or colonizing South America
The technologies were only used to observe enemies but as their effectiveness became apparent, both sides started to dismantle what they were using. For example, they shot down the planes that they would see causing more death.
Answer:
francisco de coronado/southwestern United States.
samuel de champlain established the french settlement of quebec city
Robert La Salle claimed the Mississippi River Valley
john cabot explored eastern north america
Explanation:
the one about john cabot im not exactly sure if it was north america or canda but america makes the most since