How was tyler different from harrison? why did he break with whig leaders like clay and webster?

Tyler was democrat leaning Whig while Harrison was a die hard Whig.
John Tyler   was a strong Democrat who only became a Whig out of dislike for President Andrew Johnson,and thus was not poised to stay for long.Tyler broke with the Whigs because he was opposed to their policies such as the centralized bank.Tyler forced to sign law of 1842.Need for customs duties slackened later on after the country slowly came out of depression.

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful