Question

How can american citizens show their disapproval with the actions of federal officeholders and force them to make changes.?

Answer 1

With formal complaints.

Answer 2

Protesting, formal complaints by representative of people organisations, or just voting in next elections.

Step-by-step explanation:

In this cases, they most via is protests, this is the famous way to show disapproval, because in other methods, governments tend to not hear, like formal complaints for examples.

Another option, in case that protests don't get them anywhere, is wait the next election and vote, the suffrage is the most precise way to show disapproval.