The Union Pacific and the Central Pacific hired many immigrants from what two countries?

A. Italy and China
B. Ireland and China
C. China and Japan
D. Ireland and California

Which two islands are closest to the mainland asia?

This term refers to the number of people per unit area (usually a kilometer or a mile). this could refer to the number of people per square mile in a city, a county, a province, a state, or a nation.

How will you raise money to equip an army and build a navy. mention specific ideas