The role of a campaign manager is to? A. Select a candidate to run for office.
B. Contact the media on a daily basis.
C. Donate money to buy campaign materials.
D. Oversee a campaign organization

 D. Oversee a campaign organization.

Explanation:

A campaign leader is a person engaged in various sectors. A campaign manager can organize and run a marketing campaign, for example, but these are often people who run the election campaign for politicians. Their role is one of the key ones, and their engagement can bring victory in elections. These are people who are well acquainted with public opinion and the situation in society.

b) the confederacy had to pay all union war expenses.

the main objectives of the progressive movement were eliminating problems caused by industrialization, urbanization, immigration, and political corruption.