The U.S. Justice Department has filed its brief with the federal appeals court in San Francisco on behalf of reinstating President Donald Trump's travel ban from seven Muslim majority countries.

The 9th U.S. Circuit Court of Appeals plans to start hearing oral arguments from both sides Tuesday.

The Justice Department's brief contends the ban is a "lawful exercise of the president's authority over the entry of aliens into the United States and the admission of refugees." It calls a federal judge's order suspending the ban an error and "vastly overbroad."

Along with U.S. attorneys, nearly 100 companies, two states and a group of Democrats that include former Secretaries of State John Kerry and Madeleine Albright have filed arguments against the ban.

The Democrats argue it was "ill-conceived, poorly implemented and ill-explained." "We view the order as one that ultimately undermines the national security of the United States rather than making us safer," they argued, in contrast to Trump's arguments that the ban would enhance national security.

In addition, 97 tech companies, including Silicon Valley giants Apple, Facebook, Google, Microsoft and Twitter, filed a legal brief late Sunday with the 9th Circuit, supporting the lawsuit against the travel ban.

The case is likely to end up before the U.S. Supreme Court.

美国司法部已经向旧金山的联邦上诉法院提交陈述书，要求恢复川普总统对七个以穆斯林为主的国家的旅行限令。

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