Why did China stop exploring and contract (shrink) its trading empire after the death of the Yongle emperor (aka Zhu Di)?

Why did China stop exploring and contract (shrink) its trading empire after the death of the Yongle emperor (aka Zhu Di)? Why did the baby ____________(停止哭泣）?（stop） why did Mary stop outside a shop?outside在这里是什么词性? why did you chang e your mind 翻译成中文 乱词重句.1.When family the did move Vigo Picasso to 2.How travel did Vigo they to 3.Why father painting did stop his 4.How many Picasso did produce paintings 5.Which he in family paint did 1903 why did you miss Why did you leave Why did the people why did not you Mary,when is the next train?he asked why did you stop the car,Tom?she asked.将这2个句子改成间接引语. Why did you have to stop working?Because the light gave_____light.We could hardly see anything.A small B bad Cshort Dpoor选D 为什么 why did you stop driving on your way home?Well,i heard a voice_____ me from behindA.calls B.to callC.being called D.calling选哪个,为什么. Why ______they______(work) in China. did he enjoyed____in china?(work) Why not( )(stop)them from( )(do) why are they at the bus stop? when did you heart stop loving me ---Why didn't you stop them from going into the forest?---I did try.But they _____listen to me.A.couldn't B.wouldn't C.needn't D.shouldn't但why?