What is regulation in an economic system?

Which 19th century technological advancement would best allow farmers along the mississippi river in iowa to quickly transport their crops to buyers in louisiana?

Pl ! the term laissez-faire refers to the government’s approach, in the 1890s, to foreign policy affecting trade. economic policy affecting business. educational policy affecting schools. domestic policy affecting social reform.

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?