To cause a liberal revolution in Libson in1820.
D.) Methods used by the catholic church to enforce religious discipline and fight heresy
That's definitely the truth. The election of President Lincoln caused North Carolina to secede from the Union =)
The most important factor from the options that lead to radicalized political parties was The Great Depression of 1929 (C).
The Wall Street Crash of 1929 led to a chain reaction not only in the U.S. but in many European countries as well. In the worst moments of the period, 22 to 23% of the American workforce, and 44% of German's workforce didn't have a job.
Due to the crisis, many American creditors charged loans made throughout the world; American companies stopped investing in other countries.
This generalized crisis, unemployment, and increasing misery of the population created a fertile soil on which fascist and nazi political figures fed.
Since 1862, no Senator has been expelled, though there were multiple efforts over the course of time but never were they successful. In 1797 a Senator was expelled for the charges of treason and then in 1861-62 fourteen more met the same fate for joining and helping <span>Confederacy in the Civil War.
So its been about 155 years :)</span>