Carranza tried to control immigration on the U.S. Mexico border by using several methods but a method that was not used was c.Border crossing was made as unsafe and inhumane as possible to deter immigrants.
While it was important to limit immigration along the border, human life was considered more important.
For this reason, various methods were introduced to curb immigration but none of them involved dangerous and inhumane methods so as not to lead to human harm.
In conclusion, option C is correct.
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