Final answer:
Daniel Webster urged Congress to preserve the Union and promote unity through compromise and national unity.
Step-by-step explanation:
Daniel Webster urged Congress to support measures that would preserve the Union and promote unity. In various speeches and debates, Webster emphasized the importance of maintaining harmony and the blessings of the Union, particularly during times of sectional tension. He called for compromise and sought to bridge the divide between different factions and regions of the country. For example, in his 'Seventh of March' speech, Webster advocated for national unity and urged an end to threats of disunion. His goal was to preserve the Union and foster a sense of unity among all Americans.