Why did Polk claim there was "probably" more gold in California than anyone could have anticipated ?

Polk wanted more people to have access to the untold wealth in gold mining.

Explanation:

was found at b)south carolina

native americans suffered high rates of poverty and unemployment.

during the late 1960s and early 1970sthe need for political militancy grew among the native americans. throughout the 1960s, they had been the nation's poorest minority group, the most deprived group, according to practically every socioeconomic measure. in 1970, the indian unemployment rate was 10 times the national average, and 40 percent of the native american people were below the poverty line.