The primary reason that Francisco Pizarro was able to conquer the Incas was .

D-they were already weak from civil war

I learned about it and took notes

Explanation:

He arrived in Peru in 1522, and the Incas, when he arrived, were very weak from civil wars that had been occurring among their people.

I got it right on my test.

The civil rights movement was a struggle for social justice that took place mainly during the 1950s and 1960s for Black Americans to gain equal rights under the law in the United States. The Civil War had officially abolished slavery, but it didn’t end discrimination against Black people—they continued to endure the devastating effects of racism, especially in the South. By the mid-20th century, Black Americans had had more than enough of prejudice and violence against them. They, along with many white Americans, mobilized and began an unprecedented fight for equality that spanned two decades.