Can someone help me i need pics and definitions for these i only need help on the 3rd 1st and 4th one help help Asap

below

Explanation:

pearl harbor was the event that caused america to enter ww11

hitler was the german leader who was trying to get rid of all the jews, a really bad guy.

for allies, search up who was on americas side

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

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.