The resolution also pushes back against China's claims over Arunachal Pradesh.
The United States recognises the McMahon Line as the international boundary between China and Arunachal Pradesh, according to a bipartisan Senate resolution that sees Arunachal Pradesh as an integral part of India.
"At a time when China continues to pose grave and gathering threats to the Free and Open Indo-Pacific, it is critical for the United States to stand shoulder-to-shoulder with our strategic partners in the region, especially India," Senator Bill Hagerty, who along with Senator Jeff Merkley introduced a resolution in the Senate, said.
"This bipartisan resolution expresses the Senate's support for unequivocally recognising the state of Arunachal Pradesh as an integral part of India, condemning China's military aggression to change the status quo along the Line of Actual Control, and further enhancing the US-India strategic partnership and the Quad in support of the Free and Open Indo-Pacific," he said on Tuesday.
The resolution, which comes following the biggest clash between the Republic of India and China in the Eastern Sector along the Line of Actual Control in six years, reaffirms that the United States recognises the McMahon Line as the international boundary between China and the Indian state of Arunachal Pradesh.
The resolution also pushes back against People's Republic of China (PRC) claims that Arunachal Pradesh is PRC territory, which is a part of the PRC's increasingly aggressive and expansionist policies.
"America's values supporting freedom and a rules-based order must be at the center of all of our actions and relationships around the world, especially as the PRC government pushes an alternative vision," Merkley said.
"This resolution makes clear that the United States views the Indian state of Arunachal Pradesh as part of the Republic of India-not the People's Republic of China-and commits the US to deepening support and assistance to the region, alongside like-minded international partners and donors," he said.
The bipartisan Senators' resolution condemns additional China's provocations, including the People's Republic of China's use of military force to change the status quo along the Line of Actual Control, construction of villages in contested areas, publication of maps with Mandarin-language names for cities and features in the Indian state of Arunachal Pradesh, and expansion of PRC territorial claims in Bhutan.
Furthermore, the resolution commends the Government of India for taking steps to defend itself against aggression and security threats from the People's Republic of China. These efforts include securing India's telecommunications infrastructure; examining its procurement processes and supply chains; implementing investment screening standards; and expanding its cooperation with Taiwan in public health and other sectors.
The resolution serves to further strengthen the US-India bilateral partnership regarding defense, technology, economics, and people-to-people ties and promotes enhancing our multilateral cooperation with India through the Quad, the East Asia Summit alongside our partners in the Association of Southeast Asian Nations (ASEAN), and other international fora.
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