 Complete the following phrase:  As president, Pierce simultaneously attempted to enforce neutral standards for civil service while also satisfying the diverse elements of the Democratic Party with patronage, an effort which largely failed and turned many in his party against him. He was a Young America expansionist who signed the Gadsden Purchase of land from Mexico and led a failed attempt to acquire Cuba from Spain. He signed trade treaties with Britain and Japan, while his Cabinet reformed their departments and improved accountability, but these successes were overshadowed by political strife during his presidency. His popularity declined sharply in the Northern states after he supported the KansasNebraska Act, which nullified the Missouri Compromise, while many whites in the South continued to support him. Passage of the act led to 