Answer: B
Explanation: Malcolm X didn't like to protest peaceful, he thought justice is only served if you demand it back(with violence)
The correct answer to the question above would be more personal income. Supporters of minimum wage say that minimum wage will provide more personal income for the people with low-paying jobs. However, this minimum wage must be aimed to be higher to attain this theory.
General Lee assumed that the Union is totally composed of cavalry only. He commenced an attack to advance through the Union forces. However the Union was backed by two corps of infantry. This is the reason why General Lee surrendered.
The correct answer is coupons and comparative shopping.
Coupons are commodities that give consumers a saving on the purchase of an item(s) at particular stores. These coupons help individuals to save money. Comparative shopping works in a similar way. However, instead of having a physical coupon to show, consumers can compare prices of goods from different stores using resources like newspaper advertisements or online databases.
Opportunity costs and marginal benefits have nothing to do with saving money. Rather, these deal with other economic principles like choosing between different options and the additional satisfication that a person gets from consuming more of a good.