Original sentence: A payroll tax known as employees National Insurance was increased hence increasing taxes on wages.He encountered fierce criticism as a result, over the policy itself and the circumstances in which it was decided upon.Since the start of the War on Terror in 2001, Blair strongly supported US foreign policy, notably by participating in the invasions of Afghanistan in 2001 and Iraq in 2003.The British economy performed well, Blair kept to Conservative commitments not to increase income tax in the first term
Edited sentence: A payroll tax known as employees National Insurance was increased hence increasing taxes on income although technically not increasing "income tax".He has encountered fierce criticism as a result, over the policy itself and the circumstances in which it was decided upon.Since the start of the War on Terror in 2001, Blair has strongly supported US foreign policy, notably by participating in the invasions of Afghanistan in 2001 and Iraq in 2003.The British economy has performed well, and Blair has kept to Conservative commitments not to increase income tax in letter although not in spirit