Answer:
Subsidy ; Price Ceiling
Explanation:
Subsidy is the financial assistance by government, to increase a good's availability at cheaper price, to people.
Price Ceiling is the maximum mandated price by government, at which a good or service can be sold in market.
Government giving every student a voucher to redeem at any school : Is a form of financial assistance, which reduces the price paid by students. So, it is an example of Subsidy
Government mandating no tuition fee above $6000 : Is specification of maximum mandated price at which a good or service can be sold. So, it is an example of Price Ceiling.
This power is important for congress to have because money keeps the government going. Letting only Congress use this power ensures that the country’s money Is used correctly, being that it is decided by a vote.
Direct democracy...
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