They were shocked because the Mexican Military had more weapons than them and had more forces too.
Most Americans supported isolationism. They didn't want to engage in another European war. Although this agreement didn't include sending troops to Europe, it involved sending 50 destroyers to UK, so the amount of help was rather major.
San Jancinto hope this helps
Amritsar is also called the JallianWala Bagh massacre. it is one of the most gruesome killing if the common civilians who assembled and were on peaceful strike in Amritsar.
Explanation:
Though Indians supported the British in their wars against Germany and Ottoman empire, The British Raj lacked trust on some of the radical Indians who understood the real purpose of the Britishers to occupy India. Gradually British decided to repress Indians by passing Rowlatt act which authorized the Britishers to imprison the revolutionaries just based on suspicion and the press were also not given the rights and freedom of speech and expression. General Dyer also restricted any association of more than four members in the public places in Amritsar.
But more than twenty thousand civilians assembled in the public park called JallianWala Bagh. General dyer ordered the cease fire and more than four hundred people were killed. This made the Indians to lose hope on the British Government and from thereon the nationalism spirit of Indians rose to such an extent that Independence was indispensable for Indians.
