Question

what challenge did the united states pose to mexico after the revolution? it launched military campaigns into mexico to protect us borders. it blocked its border with mexico to keep immigrants out. it sent troops to mexico in an effort to seize its vast oil fields. it imposed strict tariffs on a variety of mexican products.

Explanation:

After the Mexican - American War and other historical events, the US launched military campaigns into Mexico on several occasions to protect its own borders. For example, during the Pancho Villa Expedition in 1916 - 1917, US troops entered Mexico. There is no evidence of the other options being major post - revolution challenges.

Answer:

It launched military campaigns into Mexico to protect US borders.