Place the events in order from earliest to latest. Pocola Mining acquired lease for commercial digging
= Spiro Mounds Archaeological State Park opened
= Farmed by Choctaw and Chickasaw
Site administration transferred to the Oklahoma Historical Society
= University of Oklahoma began scientific excavation

Which of the following are characteristics of effective government leaders? select all that apply : has accumulated enough wealth to operate the government : willingness to accept responsibility : keep a government strong and active : has be a successful in the entertainment field : act as a final point of authority