Oversight and public education are examples of what type of congressional functions?

The impeachment of president clinton by the u.s. house of representatives occurred with a. virtually all republicans supporting it, while virtually all democrats opposed it b. about two-thirds of republicans supporting it and about two-thirds of democrats opposing it c. half of all democrats and half of all republicans supporting it, while half of all democrats and half of all republicans opposed it d. virtually all democrats supporting it, while virtually all republicans opposed it

Which best describes how president kennedy apples to the audiences at the beginning of his speech?

Historians sometimes rely on video recordings in researching past events because