Some authors have commented about this matter saying that the principal event was the cold war between the soviet union and the United States between 1940s and 1950s which produced a histeria over the perceived threat posed by communist in the US.
By the other hand the events as:
1) World war I.
2) The Bolshevik revolution in Russia.
Answer:
Jacksonian democracy was a 19th-century political philosophy in the United States that expanded suffrage to most white men over the age of 21, and restructured a number of federal institutions. In addition, the right to participate in electoral processes was expanded among the white males. These two factors changed the American democratic system. Between 1820s and 1850s, more white males won the right to vote.
Explanation:
Virginia, California, New york, and Texas