Iowa's first-in-the-nation caucuses kick off the U.S. primary election season Monday, Feb. 1, 2016.
Iowa Set To Kick Off US Primary Election Process
![Student supporters for Democratic presidential candidate Martin O'Malley rally in Des Moines, Iowa. The state's first-in-the-nation caucuses kick off the U.S. primary election season Monday.](https://gdb.voanews.com/F8D51A5A-BA6D-4FC9-A806-D6CF90A7554D_w1024_q10_s.jpg)
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Student supporters for Democratic presidential candidate Martin O'Malley rally in Des Moines, Iowa. The state's first-in-the-nation caucuses kick off the U.S. primary election season Monday.
![Megan Marsh is a supporter for Democratic presidential candidate Bernie Sanders, in Des Moines, Iowa. The state's first-in-the-nation caucuses kick off the U.S. primary election season Monday.](https://gdb.voanews.com/17DC7863-F853-426C-9A17-D0EC6D2EB091_w1024_q10_s.jpg)
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Megan Marsh is a supporter for Democratic presidential candidate Bernie Sanders, in Des Moines, Iowa. The state's first-in-the-nation caucuses kick off the U.S. primary election season Monday.