Group 1 - The core point of the article is that Mexico and the United States have reached a new bilateral security agreement aimed at limiting the flow of American weapons into Mexico while Mexico reduces the influx of drugs, including fentanyl, into the U.S. [1][6] - The agreement includes a 90-day extension to maintain current tariff rates while negotiating a new trade agreement, with the U.S. imposing a 25% "fentanyl tariff" and additional tariffs on automobiles and metals [1][3] - Mexico has made concessions in trade negotiations, including the transfer of wanted individuals to the U.S., indicating a shift in its diplomatic stance towards a more proactive role in negotiations [5][9] Group 2 - The negotiation dynamics reflect a non-symmetric power struggle, with the U.S. holding significant advantages in economic size and supply chain control, while Mexico remains heavily reliant on the U.S. market [3][4] - The security agreement, while seen as a temporary solution, does not effectively address the underlying issues of illegal arms and drug trafficking, highlighting the complexities of enforcement and responsibility [6][10] - Mexico's emphasis on shared responsibility in the security agreement marks a shift in its diplomatic approach, seeking to redefine its role from a passive recipient of U.S. policies to an active participant in negotiations [7][8]