Which of the following best describes the trade routes in the early river valley civilizations? select all that apply. they establish a means of obtaining new goods through the region. trade routes the phoenicians develop into a dominant trading and naval power throughout themediterranean. they enabled crete to become the crossroads for three different continents: asia, africa and europe. trade routes brought a cultural exchange that resulted in significant advancements in civilizationthroughout the region.

They establish a means of obtaining new goods through the region; Trade routes brought a cultural exchange that resulted in significant advancements in civilization throughout the region.

The early River Valley Civilizations emerged on the Yellow River (China), the Indus River (India), the Nile River (Egypt), and between the Tigris and Euphrates Rivers (Mesopotamia). The need to irrigate crops in order to sustain a permanent, large population made river valleys particularly suited for the development of civilization. Richer soil due to floods also made it possible to have constant food surpluses. This allowed the communities to engage in non-agricultural activities such as art, administration, architecture, trade, etc.

i think they would live in caves or natural tunnels

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.