<span>German submarines, called U-boats, sank many Allied ships in the Atlantic Ocean.</span>
San Francisco was a focus for Asian American reformers in the 1960s because it was the place where many Asian immigrants started opposing the reform efforts.
Explanation:
San Francisco was a focus for Asian American reformers in the 1960s because it was, where many Asian immigrants had entered the United States . The reformers claim that the reality of Asian Foreigners in San Fransisco helped united states built their economy because they were the backbones that are prepared to do most of the dishonest and exhausting jobs.
