Why did herbert spencer's theories on social darwinism appeal to imperialist

Which of the following statements was true about lincoln's popularity at the time of the gettysburg address? a) he was just as popular as when he was elected. b) he was more popular with southerners than he had been at the beginning of the war. c) his popularity was very high. d) his popularity was very low.

Why are primary sources important when studying historical events

What project establish leonardo da vincis reputation as a creative and talented engineer