Which were factors in the United States' failure to achieve its goals in Vietnam? Choose all answers that are correct.

The United States estimated that the war would cost much more money and time than it really did.

The United States supported corrupt leaders in Vietnam.

The United States entered the war in order to make Vietnam a U. S. colony.

The United States did not study Vietnamese history or ask enough questions.

The United States estimated that the war would cost much more money and time than it really did.

The United States entered the war in order to make Vietnam a U.S. colony.

Explanation:

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the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.