Answer
2 development of algebra
Expalnation
Islamic scientists in the 10th century were involved in three major mathematical projects: the completion of arithmetic algorithms, the development of algebra, and the extension of geometry.
The Treaty of Brest-litovsk brought about the end of the war<span> between </span><span>Russia and Germany in 1918. The German were reminded of the harshness of Brest-litovsk when they complained about the severity of the treaty of </span>Versailles signed in June 1919
C. The action of war hawks into the United states congress.
The Cold War greatly "polarized" <span>postwar international relations in that it led to two competing spheres of influence: the US in the west with capitalism, and the USSR in the East with communism. </span>
