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 :-

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

yes

explanation: