What percent of the nation's oil business did standard oil company control? 50 75 90 100

How did thomas paine's pamphlet common sense convince reluctant americans to abandon the goal of reconciliation with britain and accept that separation from britain — independence — was the only option for preserving their liberty?

What was feudalism? (define the structure)

The incas used quipus to options -preserve there history -keep records of people and goods -decide when to plant crops -decide work amoung peasant familys