Which happened as a result of the first battle of the bull run

The First Battle of Bull Run (the name used by Union forces), also known as the First Battle of Manassas (the name used by Confederate forces), was the first major battle of the American Civil War and was a Confederate victory.

Explanation:

b. second continental congress

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.