what was the reason for baltimore's successful shipyards

Answer 1

You have to put context on this. Do you mean prior to 1830? If so, then

Good location, good access to raw material, good labor (immigrants and free negroes, and slaves for hire) with an absence of racial problems in the labor force, and finally, a good business location.

Answer 2

Imma. z ztxutlstjskhvzbrksvykayi

Answer 3

Is it slaves? I think its slaves

Answer 4

I think it is good labor

Answer 5

or the NAVY