Well the cause of a certain event in history will mean something happens.
The effect is the result of the event happening
For example. With 9/11 the cause was the twin towers collapsing. The effect would have been thousands of people dying as the result of the planes being highjacked
Among the bills vetoed by Tyler was a measure to re-establish a national bank. In response to these vetoes, most of Tyler's cabinet resigned, and Whig congressmen expelled Tyler from the party. A resolution calling for his impeachment was introduced in the House, though it was later defeated.
