What month and year did the first major battle of the civil war take place

the answer to this question is July 21, 1861

Union and Confederate armies clashed near Manassas Junction, Virginia, in the first major land battle of the American Civil War

On July 21, 1861, Union and Confederate armies clashed near Manassas Junction, Virginia, in the first major land battle of the American Civil War.

Hope this helps i am  huge civil war history buff!

but whats the question? ?

explanation:

c) troops march forward in close formation against newer, more accurate weapons