The themes that played a major role in changing the world between 1450 and 1750 was that plants were being spread together with animals and diseases between the Americas and the rest of the world; mainly Europe. Especially famous are cases where European contact wiped out whole villages and tribes of native American people because they were unable to cope with the bacteria and viruses.
Answer:
Sorry can't help with that :/
Explanation:
That looks very hard!!!
D - Failures.
The only attempted british colony in North America before 1600 was Roanoke, Virginia, which was a total failure. England claimed several areas, including Newfoundland, but made no sustainable attempts to colonize them before 1600.
The United States are a Bicameral republic, meaning that they have two legislative bodies, the House of Representatives and the Senate, each fulfilling their duties and each ensuring that legislature is adopted or not adopted.