The quota system limited the amont of foreigners/immagrants allowed in the US from each different foreign country.
Th group affected most by this were the Europeons.
Secondary Sources are useful because they offer a different point of view to past events. While most secondary sources are based on a primary source, they are still useful because of the analysis that they can offer compared to past stories.
Bangladesh had it's own king..and the king was a slave king
he didn't wan't slaves..!
:D hope it helped
Charters and constitutions place limits on leaders powers