Answer:
Undocumented immigrants lower the price of goods and services for everyone, because they provide lower-cost labor, which allows companies to reduce the prices of consumer goods.
Explanation:
B.) The Chinese empire became prosperous.
Most convection currents exist in the mantle, the layer below the Earth's crust. As the semi-molten rock heats up, it rises closer to the surface, and it sinks as it cools.
C. creation of the U. S. Navy