About five thousand years ago, the rains over the sahara began to decline and grasslands gave way to desert. the population of this region began to migrate east and south. describe how the landforms and climate of africa influenced how these people lived as they settled in new areas.

Complete these sentences about the babylonian civilization. the babylonians were great supporters of art and architecture. their most well-known achievement in architecture was the . this achievement was a wonder in a land that was mainly made up of deserts and mountains. the is named for one of the most famous rulers of babylon. the citizens of babylon had to follow this collection of rules and laws. the babylonians practiced , but marduk was their main god.

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

What was the significance of the battle of saratoga