What was a cause of soviet mistrust of the western allies in world war ii?

The diagram below describes a series of events during the 1700s

Which statement best describes the underground railroad? a.) it is a train that took slaves from the south to the north. b.) it is a business that harriet tubman founded to slaves become free. c.) it is a secret route that slaves took to escape from southern slave states to the north. d.) it is a road that slave owners disliked using for travel.

Why was the land in the middle colonies attractive to immigrants