I think it was NATO (North Atlantic Treaty Organization).
<span>It
encouraged the home rule and independence movement in Ireland as it
showed other places didn't want to be ruled from London anymore
</span>
Irish republicans launched an armed uprising against British rule and proclaimed an Irish Republic. The uprising resulted into a truce.
A two-thirds majority vote in both the House of Representatives and in the Senate is required to override a presidential veto. The exact number depends on how many representatives vote; therefore, the actual number is subject to chance
