11. which of the following is one change that directly resulted from the development of farming approximately
10,000 years ago?
a. it led to the production of stone tools.
b. it led to the creation of settled communities.
c. it led to the expansion of political rights for women.
d. it led to the growth in the number of nomadic groups
12. the river valleys of the tigris-euphrates, the nile, and the indus were the centers of civilizations becau
they--
a. had rich deposits of iron ore and coal
b. were isolated from other cultural influences
c. were easy to defend from invasion
p. had fertile soil, fresh water, and warm climates
inment, social classes, and--