There is no key to civilization. The concept that native americans did not have a civilization or were not civilized is one only supported by the egotism and arrogance of the empirical profit oriented "conquerers" who have worked to eradicate all cultures that conflict with profits. The key to western civilization that allowed them to kill off the majority of the natives was a lack of respect for life and insane drive for control, ownership and dominance, to which the peaceful and sophisticated Natives would not stoop.
Answer:
C. The site of an ancient battle
Explanation:
Archaeologists study past human activity by excavating, dating and interpreting objects and sites of historical interest
Low wages poor conditions while working and the poverty that was spreading around it
The answer is B. They thought they could benefit from the area's warm climate and fertile soil.
Hope I helped
The Three Principles of the People is a concept of Sun Yat-sen, which was influential in China (this is the correct answer) . The three principles are nationalism, democracy and the livelihood of the people (well-being.)
Today, they can be found in the national anthem of the Republic of China (Taiwan).