Cruz was the 25th senator to endorse Trump in the primary, officially securing him the support of the majority of Senate Republicans, of whom there are 49. While more than half of House Republicans, including most of the party leaders, were quick to throw their support behind Trump last year, Senate endorsements have trickled in at a slower pace.
Many GOP senators, Cruz included, went into this primary season saying they planned to stay neutral until the general election. A number of them have since opted to weigh in after Trump has dominated in the polls and had a strong performance in the Iowa caucuses.
A number of