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: The main goal was economic, was to extract resources from the colony, and take them to the mother country (the European power). These resources could be gold, silver, sugar, tobacco, cotton, and so on.
During American involvement in WWII, propaganda was used to support the war cause. I hope I could help. Have a wonderful rest of the day.
William McKinley winning the Spanish American war. Wilson took the Us into victory in the great war. Hope this helps
