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.
Answer:
Johnson believed the Southern states should decide the course that was best for them. He also felt that African-Americans were unable to manage their own lives. He certainly did not think that African-Americans deserved to vote.
Explanation:
Our reasons were racial, anti-imperialist, land claim specific, and practical. The goal of the United States was not to conquer another country, but to simply add to its territory, expand westward (primarily) and fulfill the goal of manifest destiny
One factor that led to the establishment of organized communities was simply the size of the migration movements, especially from the South, that required "grids" to be formed in many cities in the North.
During the 19th century in rural areas, there is an existing relationship between the workers and landowners. This is called latifundia-based system. This system favors the elites as they had more control to their slave workers. They had all the economic and political power to manipulate factors needed in society.