What is the best reason as to why tyler was not re-elected as president?

because both parties won't accept him as their candidates

Explanation:

During the presidential election of 1844, Tyler made a brief attempt to run as a third-party candidate before dropping out due to lack of support. Democratic candidate James Polk (1795-1845) won the election and became the 11th U.S. president

answer; the period of time known as the middle ages;