The answer to the first unknown is "3 or more" while in the second unknown is "no more than two". Hence, we have the complete sentence as in the year 1930's of Americans who were polled reported that the ideal number of children was 3 or more. While in the year 1990's, Americans who were polled reported that the ideal number of children to have is no more than two.
He represented Virginia in the Continental Congress. He was later chosen as Commander in Chief of the Continental Army and President of the United states.
Segregation exist in the south because farmers needed people in order to manage their crops. Jim crow laws were laws enforcing racial segregation in southern states.