Which successful tejano rancher represented texas at the mexican constitutional convention

The judicial system of courts derives its powers from what article of the constitution

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates

What does one prolonged blast and one short blast mean?