because the Americans feared europeans would cause low wages and loss in job oppurtunities
The number of immigrants depended on that group's U.S. population.
The collapse of dictatorships in Latin America
That may have contributed but the major factor was that the leader was implicated in a major moral and legal scandal that discredited the Klan.
The South being outvoted in Congress (because it was getting harder to create new slave-states), and Congress therefore tending to pass laws favourable to the North.
The sinking of the Lusitania pushed the United States into the war.
Labor
the Nile
High prices for supplies contributed to the creation of the farmers alliance.
High prices for supplies contributed to the creation of the farmers alliance.
Drought was the main factor that contributed to the famine in Africa. Failed government policies were another factor that contributed to widespread famine.
Hot weather.
Not the only reason but yes
One thing that was not a major factor in the decision to use the atomic bomb was civilian casualties.