<u>Answer:</u>
(A) Studying algebraic equations in math.
This was made possible by contributions of Islamic civilizations
<u>Explanation:</u>
“Muslim scholars” contributed largely in the field of Mathematics in the golden age of Islamic civilization. “Arabic number system” is widely used even today.
The first great achievement was introduction of ‘’Arabic numerals’’. It explains the "place-value" theory, which allows numbers to be expressed by “nine figures” and zero. This development made calculation very simple and also paved the way for the development of a completely new division of mathematics which is “algebra”. Even Arabic words entered Western vocabulary like “Al-JABR” became “Algebra”.
The southern colonies used more slave to help with cotton production.
C. Liquidating their merchandise
"(4) mediating the Camp David Accords between Egypt and Israel" was a major foreign policy <span>achievement of President Jimmy Carter although he had others as well. </span>
D. the Vietcong and North Vietnamese demonstrates they could still fight.
This is true because the TET Offensive was a strategy or a Trap set by the Vietcong, where South Vietnam/ United States Troops And North Vietnam/ Vietcong would have a 7 day cease-fire. But The Vietcong snuck South Vietnam borders dressed as regular citizens and attacked 100+ South Vietnam Cities. Killing hundreds of Civilians and American Troops