When did the caste system evolve into a four tiered hierarchy

Reading graphs: unemployment us unemployment rate (1961-2011) identify the trends in the graph and then use the drop- down menu to complete each statement from 1961 to 1965 unemployment was in the mid-2000s through 2011. unemployment was percentage unemployed 1961 1971 1981 1991 2001 2011 year

The coco river is a natural border between nicaragua and which other country

In the 1400s, portugal’s economy was based on a. industry b. exports c. finance d. trade