Checks and balances because they help us from letting the government get too powerful.
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He refused to let his disability impact his goals because he had polio.
This is your opinion if they we're aggressive. of course When the United States sends a naval delegation, led by Commodore Matthew Perry, to "open" Japanese ports in 1853, the Japanese are well aware of the "Unequal Treaties" that have been imposed upon China in the previous ten years (since the Opium War of 1839-42) as a result of the superior military power of the Western nations. The Japanese respond to the challenge of the West.
So, were they aggressive when it came to their efforts?
African American soldiers in Union were not treated equally with white soldiers. African Americans troops were also assigned to low class roles or jobs such as nurses and cooks. Their roles didn't require the use of any forms of armory and combat duty. Blacks were still slaves to their masters, even in face of war or battle.