Why was it such a big deal when the U. S. discovered missiles in Cuba?

TIA

Explanation:

A crucial moment in the unfolding crisis arrived on October 24, when Soviet ships bound for Cuba neared the line of U.S. vessels enforcing the blockade. An attempt by the Soviets to breach the blockade would likely have sparked a military confrontation that could have quickly escalated to a nuclear exchange.

Frm :-

the american revolution was by the middle and upper class, and the french was by the lower and middle class.

to it’s stable government, it has been able to accept refugees from somalia and south sudan. (apex)