What strengths do you see in the programs of kennedy and johnson?

The correct answer is the following.

The strengths in the program of John F. Kennedy were the following. Kennedy took the United States Presidency during the fourth recession since World War II. So the strengths of his economic program was the lowering of taxes, the protection of the unemployed, the increase of the mínimum wage, fostering housing industries and the support of the American businesses to strengthen the economy.

The strengths of President Lyndon B. Jhonson were the programs included in his Great Society. President Johnson wanted to get rid of poverty and racial problems in the United States. His programs were aimed to improve medical care, education, transportation, urban issues, and the elimination of poor rural conditions.  

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.