How do the authors use historical evidence to support their claim? select two options. they use a secondary source to show that the british secretary of war opposed involuntary servitude. they use a primary source to show that a song was spreading the idea of equality across the caribbean. they use a secondary source to show that the idea of an enslaved people’s revolt was groundbreaking. they use a statistic to show that england had enough voters to end slavery and establish equality. they use a primary source to show that some white people opposed the idea of freeing enslaved people.