Which of the following is correct regarding the following quote by abraham lincoln: "if i could save the union without freeing any slave, i would do it; and if i could save it by freeing all the slaves, i would do it; and if i could do it by freeing some and leaving others alone, i would also do that."

a. lincoln's primary purpose in the civil war was to grant freedom to slaves.
b. lincoln's primary purpose in the war was to allow for equal rights for all african americans.
c. lincoln was mostly concerned with preserving the union of the united states.
d. lincoln was an abolitionist.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34

which empire had the greatest influence on the history and cultural development of russia?

the crusaders are identified in the painting;

c. by the red crosses on their backs

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.