Why was Congress concerned about maintaining the balance between free
states and slave states? *

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 areas where seperated by the iron curtain

Which type of constitutional power allows congress to regulate immigration and naturalization?