Select all that apply. During the Korean War:

° MacArthur was opposed to Trumans policy containment.
° Chinese volunteers supported North Korea.
° Chinese volunteers supported South Korea.
° U. S. Marines made a miraculous retreat from the Chosan Reservoir
° the United States supplied air and sea support to North Veitnam.​

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.

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.