What part of the Sullivan Ballou letter explains which side he is on

Sullivan Ballou (March 28, 1829 – July 29, 1861) was a lawyer and politician from Rhode Island, and an officer in the Union Army during the American Civil War. He is remembered for an eloquent letter he wrote to his wife Sarah, one week before he was killed in the First Battle of Bull Run.

The Black Power movement was a social movement motivated by a desire for safety and self-sufficiency that was not available inside redlined African American neighborhoods, Black Power activists founded Black-owned bookstores, food cooperatives, farms, media, printing presses, schools, clinics and ambulance services.[1][2][3][4][5][6] The international impact of the movement includes the Black Power Revolution in Trinidad and Tobago.[7]

Explanation:

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