Answer:
1945-1989 was period of United States foreign policy focused on the containment of the spread of communism in other nations also known as cold war.
The correct option is c. the need for additional smaller ships to defend them.
The painful changeover was brought on by Britain's lack of oil reserves, according to Gray. With it, Britain acquired the majority of the Anglo-Iranian Oil Company, ushering in a new era of "petro-politics." The Spanish-American War of 1898 caused the United States Navy to reconsider utilizing coal as fuel. Coal-fired warships had to engage in combat for the first time far from the continental coasts. Despite American wins in Santiago de Cuba and Manila Bay in the Philippines, severe strategic lessons concerning refueling coal-powered warships were discovered.
Learn more about coal-powered here:-
brainly.com/question/24095422
#SPJ1
