How was Great Britain able to win the Battle of Britain? by using radar to find attacking German planes

by replacing destroyed planes faster than Germany could

by using sonar to find attacking German U-boats

by replacing destroyed ships faster than Germany could

b.

jim crow laws were enacted in northern states.

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

warfare was the primary means of cultural transmission in both regions.

the exodus of these people from constantinople contributed to the revival of greek and roman studies, which led to the development of the renaissance in humanism and science. byzantine emigrants also brought to western europe the better preserved and accumulated knowledge of their own greek civilization