Here is the thing. Mexico is one of the most natural resource rich countries around. Yet their people are so very poor.

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Hours after the United States elected Donald Trump to be its next president, Mexico began carefully laying the groundwork for a relationship with a new leader who campaigned against its citizens and threatened to wreak havoc with its economy.

President Enrique Pena Nieto sent a series of messages from his official Twitter account Wednesday morning, congratulating not Trump himself but the American electorate, and said he was ready to work with Trump to advance the countries' relationship.

"Mexico and the United States are friends, partners and allies that must continue collaborating for the competitiveness and development of North America," Pena Nieto wrote.

The messages came shortly after Mexico's Treasury Secretary Jose Antonio Meade tried to strike a reassuring tone in a news conference by saying that Mexico's financial position is strong in the face of a falling peso. He says no immediate actions are planned.

The United States is Mexico's largest trading partner and the North American Free Trade Agreement, which Trump has said he wants to re-negotiate, is the backbone of that commerce.

"The relationship of Mexico and the U.S. is uncertain," said Isidro Morales, of the Monterrey Institute of Technology and Higher Education. "Donald Trump is not a person of institutions. Surely it will be a unilateral policy worse than (George W.) Bush and we don't know what to expect."

Mexico's currency appeared to track Trump's rising and falling fortunes throughout the campaign and it fell sharply Tuesday night. According to Banco Base, the peso dropped 9.56 percent, its biggest daily loss since 1995.

In the streets, Mexicans fretted about just how many of Trump's promises to deport millions of immigrants, revamp trade relations and make Mexico pay for a border wall would come to fruition.