Evidence of Continuing Ethnic Tensions Has Been Demonstrated in the United

Evidence of continuing ethnic tensions has been demonstrated in the United Kingdom by:

A) Islamic extremist bombings in 2005 and urban riots in 2011.
B) urban riots in 2007 and Irish Catholic terrorism in 2012.
C) Irish Catholic riots in 2010 and Islamic extremist bombings the same year.
D) violent Protestant demonstrations in both Ireland and Scotland in recent years.
E) a rash of anti-Muslim hate crimes in major British cities in 2010.