The main change is the countries the immigrants were coming from. The immigrants in 1840s were coming from the Western Europe mainly Ireland and Germany. Immigrants from Asia and Eastern Europe were coming a bit later while during the beginning of the 20th century most of the immigrants came from Italy.
C, it doesnt slowed down the nuclear arms race. It really does not
Based on the excerpt, President Truman planned to take the use of atomic weaponry on Japan if Japan refused Allied terms of surrender.
Answer: Option B
<u>Explanation:</u>
The Potsdam declaration directed Japan to surrender during the second World War when the document was issued by President of U.S. Harry S. Truman, Prime Minister of UK Winston Churchill and China's chairman named Chiang Kai-Shek. This ultimatum was given to Japanese armed forces and otherwise, consequences were entire devastation of the nation.
The technology which boosted President Truman to declare an alternative for Japan was the usage of the atomic bomb and related weaponries on their nation which was possessed by the United States although this warning was not declared in official documents.
What are all the options?
Europe's economy improved significantly as new roads and infrastructure were developed.
Former Roman lands were split up and claimed by Germanic kingdoms.
There was a definite decline in Christianity, its followers, and its spread across lands.
Trade increased in the West, resulting in an end to the recession taking place at that time.
