Which two events led to the political realignment during the Great Depression?

Many Black voters switched to the Democratic party after Roosevelt passed an anti-lynching law.
The New Deal, with its liberal ideas and newly powered labor unions, contributed to Democrats holding federal and state-level positions for nine years.
Immigrants in urban areas voted Democrat due to Democratic political machines and the economic devastation on cities.
Demographic shifts from the Midwest by farmers residing in the Dust Bowl contributed to their support of the Republican party.
Many white supremacist voters disagreed with Roosevelt’s New Deal and switched to the Republican party.