10 is A // 8 is B // 7 is F
Answer: Economic means relating to economics or the economy.
Opportunity cost means: The loss of potential gain from other alternatives when one alternative is chose
Scarcity means: The state of being scarce or in short or in short supply; shortage
Demand: an insistent and peremptory request, made as if by right
Supply: make something needled Ir wantsd available to someone;provided
Explanation:
they were very violet during the time of the mongolian empire , they took over land constantly
Founded in 1866, the Ku Klux Klan (KKK) extended into almost every southern state by 1870 and became a vehicle for white southern resistance to the Republican Party's Reconstruction-era policies aimed at establishing political and economic equality for blacks.
Source;
brainly.com/question/2842378
