J.P Morgan
One of the major problems that the United States faced during the Twentieth Century was the race of all people. Many people in the United States did not get along with others that were not of their same race which led to many problems.
the first major cities in the united states developed along waterways or either water routes.
The first major factor was the end of World War II. Russia had shown its dominance during the war and America was worried about its power.
Russia and China
A major result of prohibition during the 20s was an increase in gang activity.
carnegie steel corporation
Nobles and czars.
The urban problems that developed in the 19th century included drinking as well as poor living conditions.
Samuel de Champlain during the early part of the 17th century
the economy Major of those four are the natural monopoly. geographic monopoly, govrnement monopoly. technological monopoly.
Slavery
Slavery
Major League Baseball
Photochemical
I think that major cause is religious discrimination or untouchability
Albert Einstein was born in the 19th century (1879) and died in the middle of the 20th century (1955). His major contributions to physics were made during the early 20th century.
lack of immunities