Answer:
B.new food crops, which improved the European diet
Explanation:
Answer A, C, and D were introduced to the Americas, not Europe. Some diseases, like syphilis, were brought to Europe but the majority were brought from the Europeans which greatly impacted the population of Native Americans. Western Europe was mostly impacted by the introduction of new crops.
According to the declaration of independence 1776, the powers that belong to the United States as " Free and Independent States" are war, peace treaty and trade. The declaration states that all the people of the world that the 13 united colonies are free from British rule. The independent states claim the power to levy war, make peace and alliances with foreign nations, conduct trade and do anything independent states have right to do.The new states believe that God will protect them in trying to establish a just government while its citizens pledge their loyalty and lives to the cause o the independent nation.
Neutrality
Policy of supporting neither side in a war.
Hope this helps
<span>Concept of Government Laws</span>