In Edward Tolman’s experiments, the group of rats that ended up with the best results was the one that had . A. experienced continuous reinforcement B. received no reinforcement at all C. received reinforcement after eleven days D. received reinforcement for the first two days

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.

not all were fit for battle and were weak.

question as stated in comment

why did the chinese require the portuguese to pay for goods in gold and silver when trading?

choices

portuguese goods were less valuable than chinese goods.

the chinese already had a surplus of portuguese goods.

the imperial government wanted to stockpile gold and silver.

portuguese and chinese currencies were not exchangeable.

this a history q n in ancient time, theres no money exchange. so ans is portuguese and chinese currencies were not exchangeable.

the government was unable to provide for national defense and economic policy.