Iktibar yang diperoleh daripada
kegemilangan kerajaan Alam Melayu.

answer; i believe the two groups were irish immigrants and chinese immigrants;

this is true hope this

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your answer is 1930's

explanation

this is just around the time the great depression was starting and putting the us ecnomy into ecnomic failure causing the goverment to take a much larger rule to try and pieace it back together