What term refers to a speaker's consideration of audience, purpose, and context when giving a speech?

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.

ewr rr r r r r r r r rrr

the railroad administration

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.