A theme is a history surrounding it or a repeating moment, a period is a time that the themes were set in. hope this helps P
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During the Revolutionary War, Revere helped fortify Boston against a possible British attack. Frustrated by his defensive posting, he lobbied to be assigned to campaigns against the enemy\.-./©®¤
When World War II was over it came to light that the military had rejected over half of the men who were drafted or had given them lighter duties, because they were not fit enough for combat. The United States began to realize it needed to focus more on fitness. A researcher by the name of Thomas K. Cureton began to study exercise and fitness. He conducted many experiments and was able to establish a set of guidelines for maintaining fitness.
Most islands have a hot and humid climate, and the rainfall exceeds 2 meters per year(equivalent to Brazilian rainforest). Islands in Oceania also experience strong wind from the east.