Answer:
disease
Explanation:
They had never experienced smallpox, measles or flu before, and the viruses tore through the continent, killing an estimated 90% of Native Americans.
The Revolution led to the establishment of a democratic government for the first time in Europe. Feudalism as an institution was buried by the Revolution, and the Church and the clergy were brought under State control. It led to the eventual rise of Napoleon Bonaparte as the Emperor of France.
This policy created by John Hay was known as the Open Door Policy.
The goal of this policy would be to allow European countries and America to trade with China on an equal basis. John Hay wanted to ensure that no one country had a monopoly on the trade with China during the early 20th century. Along with this, he felt that the Open Door policy would result in less fights/confrontation between the countries involved in this trade.
C is the answer for this problem. However, A is a good answer too.
