The Spanish-American War revealed to American military planners cross out A) the need to improve glaring deficiencies in the army. cross out B) that they should never fight another war in the malaria-infested Caribbean. cross out C) the necessity of maintaining a military draft. cross out D) that National Guard troops were less reliable than federal troops. cross out E) the need to desegregate the armed forces.

A) the need to improve glaring deficiencies in the army.

Explanation:

The Spanish-American War revealed to American military planners cross out  the need to improve glaring deficiencies in the army.

The Spanish-American War was a conflict between the United States and Spain in 1898 and it ended Spanish colonial rule in the Americas and resulted in U.S. acquisition of territories in the western Pacific and Latin America.

The answer is: It lowered the voting age, which helped make young people less skeptical.

At that time, the large majority of people who oppose the vietnam war belong to the people in less than 25 year old age bracket.

Before the 26th amendment, you need to be at least 21 years old to be able to vote. After the amendment, people who are 18 years or older will have the right to vote. This helped younger people to be less skeptical and more involved in the government.