Chang'an, rome, persepolis and constantinople were all cities that
a. began as centers of worship before trading centers
b. were founded as trading centers on the silk road
c. declined in importance as power shifted to provinced capitals
d. became the capitals of great empires.

Which of these actions were taken by the us government to get ready for war? check all that apply. using a draft to build armed forces planting victory gardens for food and to boost morale promoting conservation of key products trying to get people to buy liberty bonds taking new jobs to meet demands promoting patriotism