Exercised by keeping things off the agenda than keeping them on.
Explanation:
Agenda setting is a term that is generally used to described the deliberate establishment of publicity and interest in important issues by the media houses.
In other words, it explains how the people of influence (in this case, Congress leaders) ensures certain agendas are more often on the table than others, to influence the nation's policies.
Hence, agenda setting a power held by house and senate leaders is often a negative power. Because these congress leaders can "Exercised by keeping things off the agenda than keeping them on."
Social Darwinists justified imperialism by saying that human evolution depended on these imperial powers taking control over other nations because of their superiority.
The First Continental Congress, which was comprised of delegates from the colonies, met in 1774 in reaction to the Coercive Acts, a series of measures imposed by the British government on the colonies in response to their resistance to new taxes.