How does the first paragraph set the stage for hardships described later?

This is the only court in witch one state may sue another

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 agency is under the authority of the department of labor? sec osha epa fda