A super-PAC supporting Republican presidential candidate Sen. Ted CruzRafael (Ted) Edward CruzGOP strategist predicts Biden will win nomination, cites fundraising strength 3 real problems Republicans need to address to win in 2020 The Hill's Morning Report - Trump on defense over economic jitters MORE (Texas) is going up with $2.5 million in new television ads in early voting states.

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Keep the Promise has a 30-second TV ad with Cruz that will air, starting Tuesday, for two weeks in Iowa through the Feb. 1 caucuses, according to the group. The ad launches in South Carolina next week, Jan. 25, and will run for nearly four weeks.

The ad includes video clips of Cruz from his speeches and remarks from his supporters arguing that the Texas lawmaker has stood up to Washington.

"When I tell you I'm going to do something, I'm going to do exactly what I said I would do!" a feisty Cruz says in one clip.

The latest ad buy is more than double what Keep the Promise announced earlier this month for television advertising in the Hawkeye State, where Cruz is neck-and-neck in polls with Donald TrumpDonald John Trump Former US ambassador: 'Denmark is not a big fan of Donald Trump and his politics' Senate Democrats push for arms control language in defense policy bill Detroit county sheriff endorses Booker for president MORE.

The group has put up a smaller amount, $200,000, on a digital ad targeting rival Sen. Marco RubioMarco Antonio RubioGOP group calls on Republican senators to stand up to McConnell on election security in new ads What the gun safety debate says about Washington Trump moves forward with F-16 sale to Taiwan opposed by China MORE (Fla.) on immigration in Iowa, New Hampshire, Nevada and South Carolina.