The National Revolutionary Party (PNR) government nationalized railways and the petroleum industry.
This is a political party in Mexico that was created in 1929 and had an uninterrupted power country for 71 years.
During the tenure, the government also expanded land reforms to establish communal cooperatives.
In 1914, the US troops were sent to Veracruz to protect trade interests.
Therefore, the word "petroleum industry, communal cooperatives and trade interests is correct.
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