Cats are killers, and they are threatening the songbird population. many people blame the strays that must hunt to survive. however, even well-fed pets that are allowed outside hunt, because it is their instinct.

we should all just get dogs.

major league baseball

explanation:

jack roosevelt robinson broke the color barrier in major league baseball.as he was the first african american to play in the major leagues, jackie robinson became the target of racial abuse. jackie robinson is referring to the historic event, harlem riot.

answer; i believe that the correct answer is (scientific data);