A. Supporters of tax breaks that(for tax breaks) local governments award(Correct SV pair) to businesses each year to prevent them(for businesses) from moving consider them(unclear.) vital economic development tools
B. Supporters consider(Correct SV pair) tax breaks that local governments award(Correct SV pair) businesses each year to prevent them(for businesses) from moving to be(use of to be changes the meaning here) vital economic development tools
C. Supporters of tax breaks that local governments
...
B. Supporters consider(Correct SV pair) tax breaks that local governments award(Correct SV pair) businesses each year to prevent them(for businesses) from moving to be(use of to be changes the meaning here) vital economic development tools
C. Supporters of tax breaks that local governments
...









