Because the uplands had lost much of their fertility through overplanting and erosion, the agricultural economy built around began to migrate toward central Alabama and Mississippi.

churchill warned that the soviet union had cut eastern europe off from the west with an "iron curtain."

give me brainliest

where are the answers

explanation:

be cause we need them

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.