B I believe is the right one!!!!!
McCarthyism is one of the most notorious movements during the Cold War Era. The legal accusations of politicians and celebrities affected not only their image and careers, but their supporters and industries. Pretty much any person who was not completely anti-communist was in question of loyalty to the U.S.
<span>The three things are:
- </span><span>plowshare and moldboard (which is used to prepare the grass and soil)
- </span><span> three-crop field rotation system (using same space to grow different crops in different time period)
- Warmer period (provide optimal environment for the crops to grow in the area)</span>
