I think its c instead, because he meant that fear was only making things worse. not fearing fear and failure would help in the long run; so a positive attitude instead would help.
The gulf of Tonkin incident led the United States Congress
to overwhelming approve the Gulf of Tonkin Resolution. This resolution gave
President Lyndon B. Johnson virtually unlimited powers to oppose communist
aggression in Southeast Asia. President Lyndon was also advised on how any
potential war with the North Vietnamese might be fought.
The progressive movement in the United States, which took place from the 1890s to the 1920s, sought to protect social welfare, promote fairness, control big business, uphold moral values and promote greater efficiency of government and business.
well I THINK IS 'A'
They had the ability to take inventions created elsewhere and use them on a much bigger scale.