What is one reason the ming emperors did not expand china's economic influence across the indian ocean after the voyages of zheng he?

The answer is that foreign stuff or goods were treated inferior to those produced in China.  They believe the teaching of Confucius that merchants harm society by shamelessly seeking or getting the profit at the expense of others, merchants are inferior in nature and should be despised. 

they had more african americans than any other state.

hope this , have a good day. c;

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]