Many polish civilians perished and more people were put in concentration camps making Poland a little less polish.
Types of farming include subsistence farming, mixed farming, nomadic herding, commercial plantation, livestock rearing, etc.
Americans were “pushed” west for many reasons. Many Americans felt like they were missing job opportunities in eastern states. Others felt that they were treated unfairly, and many believed that there wasn’t enough land to meet their needs. They were also “pulled” to the west by factors like new land, plentiful resources, and a desire for adventure.