And the Queen of England and Uncle Sam
Dem a flex dem muscle

from Nas (Ft. Damian Marley & K'naan) – Tribes At War Lyrics on Rap Genius

Meaning

Within these African internal conflicts, powerful nations like the United States (Uncle Sam) and the United Kingdom (Queen of England) make it look like they are graciously helping out, but what they are really doing is continuing colonialism by other means e.g. the International Monetary Fund

The same thing happens in America as well. It may look like the police is cracking down on gang crime in urban areas, but what they are also doing is cracking down on parts of urban culture.

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