PLEASE HELP ME Which of the following situations makes it necessary to have a system of currency exchange?

A.
A person in India trades his bicycle for his friend’s new skateboard.

B.
A person in India pays the taxes she owes to the local government.

C.
A business in Japan buys automobile parts from a business in China.

D.
A business in Japan pays its workers their wages at the end of the week.

for starters, there is the structural trend of rising primary government expenditure as a share of gdp, which reached 36% in 2014, up from 22% in 1991. this increase reflected a political desire to address the poverty and inequality that had gone unaddressed during previous decades. to support the increase, brazil’s government increased taxes on consumption and promoted progress toward labor-market formalization. nonetheless, public investment, particularly in infrastructure, took a hit. in fact, with the exception of the 2005-2008 period, total investment as a share of gdp has remained below 20% since 1991.

the idealization of the rural landscape ; admiration for the beauty of nature ; focus on an individual's inner concerns

the confederate at bull run

populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.