Wich items describe possible solutions to air pollution

What was the main point of helen hunt jackson's book, century of dishonor? a.it showed how unfairly american settlers were treated by the us government. b.it proved that american government was not responsive to the will of the people. c.it made the point that free land was no longer available to new settlers out west. d.it outlined the poor treatment of the native americans by the government.

Identify and explain one piece of evidence to show how the european nearest some contributed to the role of europeans in the indian ocean trade

Explain how stock market speculation contributed to the great depression.