Help me please worth 10 points

What did kublai khan learn from the chinese advisers he consulted?

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

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.