What was one reason Whitman's collection of poetry, Leaves of Grass, was so controversial for its time? (multiple choice) 1. Some of the poems' sexual content and language was shocking for the time.

2. Some of the poems sounded strikingly similar to the work of English poets at the time.

3. Some of the poems were highly critical of the working class and immigrant populations.

4. Some of the poems championed the continuation of the slave trade.