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 the way these people lived as they settled in new areas.

the belief that a winning political party is empowered by the voters to carry out campaign promises is called a mandate. mandate is also an authority given to a constituency to represent someone or a group.

hope this : d

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.