With what group did Bolivar form an alliance to surprise Spanish forces in Bogotá in 1819?

Explanation:

Orinoco River region, which had ... a liaison with the revolutionary forces of the plains, including one group led by José Antonio ... In spring 1819 he conceived his .

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.