History homework help

Twilight of the tyrants: Revolution and prolonged war in Central America.

 

  1. How did successive U.S. interventions in Nicaraguan affairs during the 20th century affect Nicaraguan national development?
  2. After an investment of more than $4 billion in U.S. military and economic aid to the Salvadoran government, the war in El Salvador ended in an impasse. Summarize the historical background of the war and suggest reasons for the failure of U.S. policy in El Salvador.