Because they helped them with alot like moving heavy stuff from far distances and it made their job easier hope this helped you
Answer:
Marshall defined it in these words. Economics is the study of humans, in relation to the ordinary business of life. It studies that portion of the personal and social activities, which are closely related to the attainment of material resources, related to welfare and its utilization.
Citizens can work to support or oppose bills proposed by Congress in a number of ways including calling or speaking to their Congressional representatives, gathering grassroots support to lobby the government, working with lobbyists to lobby the government, or using the media as a tool to influence the process of passing the bill.
They invented lighthouses to avoid shipwrecks.
