Answer:
In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, which started in 1917, and ended with the dissolution of the USSR in 1991.
Answer:
Railroads
Explanation:
Immigrants from China worked mostly as agriculture laborers on railroad construction.
He was leading the firs expedition to circumnavigate the globe. But he died on the way on 15 April 1521.
Martin Luther King Jr.'s letter was an answer to a message from a group of clergy in Birmingham in 1963. In their “Call for Unity,” the clergy appealed for restraint and “common sense,” and a withdrawal of support for the civil rights demonstrations.