The spread of activities to British colonies decreased the economic importance of London

Because everyone pays the same rate of sales tax on purchases, and less wealthy people spend most of their income buying things, as opposed to saving and investing?, the sales tax has a ___________ impact

A) ?pluralist B) regressive C) ??discretionary D) ?positive E) ??progressive

The commerce clause is the basis for

A. the states' increasing economic powers. B. the decline of international trade. C. the expansion of federal power, especially in the 20th century. D. the decline of federal power, especially in the 20th century. E. the expansion of voting rights.