Refugee groups started trickling in after the catastrophic defeat of the Austro–Hungarian empire in the First World War and the dismembering of the historical Hungarian Kingdom, resulting in the loss of many ethnically Hungarian territories for Hungary. The destruction of the war and the discriminative policies of the new states prompted many Hungarians to seek a better life beyond the sea. Latin America soon became an important emigration target, as the United States started to severely restrict immigration from Eastern Europe in the 1920s.