The Homestead Act of 1862 impacted American Indians by
encouraging settlers to take American Indians' farms.
O creating a drain on the food supply of American Indians
providing acres of farmland to American Indian families,
O bringing new schools to American Indian settlements.

the answer for 3 is b and the answer for 4 is d

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on

islam spread slowly through much of africa through trade and preaching.