Which president followed a policy of reducing the role of the federal
government in managing state affairs?

Ronald Reagan followed a policy of reducing the role of the federal

government in managing state affairs.

Explanation:

Ronald Reagan was the president of the United States from the year 1981 to the year 1989. During the term of his presidential term, he followed the policy of reducing the power and contribution of the federal government in the matters of the country.

According to him there was imbalance in the powers given to the government and even those powers were given to them which were not even stated to be given to them in the constitution.

because the vietnam war was fought in an especially brutal and untraditional way