The answer is Civil liberties have been limited during war
The slave trade from Africa to the America changed the world, undoubtedly.
As described in NewsRepulic, During the Guided age, as defined by author Mark Twain, during the 1870's in big cities, like Boston, Chicago, New York, Cleveland, corruption was prevalent. The new immigrants, who were mainly looked upon as the least employable, the bottom of the social status, and of little value. They were someone who is new to the country, lacking in language skills, and someone who has come here to take your job. So, for them to assimilate, to survive, many immigrants were forced to join together to provide support the local political bosses. In exchange for their loyalty and votes, the new immigrants were provided, a chance for jobs, housing, help in naturalization, business licenses, assistance in the courts and a voice in the community.
The colonists in New England specialized by using lumber for shipbuilding. The climate and land were not suitable for agriculture, but the forests provided large amounts of lumber. ... The New England colonies did not have very good farmland because of the rocky soil.
That statement is true
When presidents are elected with popular mandate, it is very easy for the presidents to pass any laws that he/she wants because their sheer popularity would give overwhelming public support that put pressure for the opposition to conform.
Since Kennedy was elected by a slim margin, a large portion of public still oppose his policies during earlier years of his presidency. This make it easy for his opposition to limit his movement so he can't pass the policy that he wants.