What are some similarities between greek democracy and u. s representative democracy?

The U.S. Representative democracy took great influence off Greek democracy, many things we see in the U.S. Democracy was inspired by Greek democracy like "All men are created equal", "A Speedy and Public Trial" , etc.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

in griswold v. connecticut (1965), the supreme court ruled that a state's ban on the use of contraceptives violated the right to marital privacy.