Samuel Morse was knowed by B. Inventing the telegraph
Answer:
The Answer is Unprecedented presidential control of U.S. military forces
Explanation:
Congress gave LBJ the ability to take all necessary measures to protect U.S interests in Vietnam in the Tonkin Gulf Resolution. This led to the build-up of U.S forces in Vietnam because LBJ wanted to expand operations in Vietnam.
1954, i think, i might be wrong. proceed with caution.
