Anyone know this answer

Why would the saudi’s oil industry need a large investment in human capital

What was herbert hoover and the food administration do in wwi?

In 1816, john c. calhoun proposed that: a. that the federal government aid in the construction of roads and canals to improve transportation to and from the west b. the united states should end slavery. c. the united states should increasing the size of the navy and invade central america. d. the united states should annex hawaii