The Texas soldiers prevent the Santa Anna's army from crossing the Brazos River in April 7, 1836.
The battle of the San Jacinto began when the Texans fires their cannons into the Mexican camp, rushed in and fought the surprised and unprepared Mexicans in hand to hand combat.
The victory of the Texans gives them the independence from Mexico and also opened the door for the continued westward expansion of the United States.
Therefore, the option B is correct because when the Santa Anna Army were trying to escape through the Brazos River, the Texas soldier killed them all before they could.
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