What can you infer about President Hoover (1929-1933) and Roosevelt's (1933-1945) beliefs regarding the role of government in the U. S. From these letters?

whats the question? im not quite understanding your question.

sitting in that one chair where he could get shot at was his worst decision.

once he became head of state in 1915, venustiano (his name was not victoriano) carranza was able to implement some of his ideas, such as the drafting and the promulgation of the mexican constitution of 1917, which is still the current constitution of that country.  

the missile gap was the cold war term used in the us for the perceived superiority of the number and power of the ussr's missiles in comparison with its own (a lack of military parity).