Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. Both civilizations in Mesoamerica and in Mesopotamia had each of these except (4 points)

pyramids
a focus on farming
establishment of city-states
cultivation of maize

b)

it created free trade throughout the colonial territories.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.

declare war, appoint military officers, sign treaties, make alliances