Jackson the democrat feared that annexing Texas would lead to a war with Mexico which he was not ready for. However,another problem was caused by the issue of balancing slave states with free states. Texas was a free state and therefore would cause an imbalance to the union.
"voting for the recall of a state governor" would be the only example of an action of direct democracy, since these votes take place when individual voters decide an issue, not a representative.<span />
I believe it is the constitution. Tell me if you want me to explain it to you.