What Did Henry George Argue in Progress and Poverty

What did Henry George argue in Progress and Poverty ?

A) that industrialization was the key to progress and the end of poverty.
B) that socialism was the answer to the end of poverty.
C) that industrialization had led to a great deal of misery.
D) that the government needed to fight poverty by limiting industrialization.
E) that the government should tax the "unearned increment" of rising land prices and use the funds to ameliorate the misery caused by industrialization.