How did frederick douglass contribute to the abolitionist movement?

Cubists created artworks that depicted objects as

The government used a controversial bailout program to a. homeowners struggling with mortgage b. foreign banks overload with that c. automakers on the verge of collapse d. construction companies losing jobs

What led to the environmental damage that caused the dust bowl? 1. desert winds emerging from the southwest 2. rotating crops every year and having fallow land 3.overplanting throughout the great plains 4.a year-long drought