Which reason best explains how the use of stone tools, such as those shown in Source 2, by early humans led to the development of civilization? A. They were used as the basis of new communication systems.

B. They were used to meet the basic needs of more people.

C. They allowed travelers to explore new areas for settlement.

D. They helped farmers grow a wider variety of crops.

In the year blank the us stock market collapsed. a. 1929 b. 1921 c.1933 d. 1941

Why did the other allies like great britain and france not support wilsons 14 points?

Enlightenment thinkers most contributed to the development of whichpolitical idea? a. religious leaders should play the largest role in establishing asociety's laws.b. democratic governments have the responsibility to protect humanrights.c. criminals must be punished harshly if a society is to maintainorder.d. written constitutions place unnecessary restrictions ongovernments' powers.