China's road to its empire, and the expansive borders it claims today, started not with Han Chinese dynasties in 221 BC but with the Mongol invasion in the 13th century, historian Timothy Brook argues in a new book.

What they're saying: "Great State: China and the World," published by HarperCollins and slated for release on March 17, argues that the Mongol concept of the "great state," or yeke ulus, was adopted by China's subsequent dynasties and would later define China's relationship with its neighbors and the world.

Sen. Marco Rubio (R-Fla.) has requested a government review of AT&T's pending sale of a European media company to a Czech financial firm, in a letter viewed by Axios.

Why it matters: The letter demonstrates growing concern on Capitol Hill over China-linked mergers and acquisitions involving American assets.

After a five-year saga that provoked an international outcry, a Chinese court has sentenced Swedish citizen Gui Minhai to 10 years in prison for "providing intelligence overseas."

Background: In 2015, Chinese authorities secretly kidnapped Gui, a Hong Kong-based Swedish citizen known for writing and selling books critical of China’s leaders, from his apartment in Thailand and brought him to mainland China.

In this recurring feature from the Axios China newsletter, I'll interview an expert about a Chinese Communist Party phrase to explain the news.

This week's phrase: "Borrowing a boat to go out on the ocean." (借船出海)

What it means: Placing Chinese Communist Party messaging and approved content into media outlets abroad, either overtly or covertly.

The 2020 Census Paid Media Campaign, which sends U.S. taxpayer dollars to community media outlets to run ads about the upcoming census, is including a Chinese state-run broadcaster as one of its media vendors.

Why it matters: After China's yearslong campaign to co-opt independent Chinese-language media in the U.S., Washington is now paying Beijing-linked media outlets in order to reach Chinese Americans.

The latest season of Red Scare has come to Sacramento.

Driving the news: Rep. Jim Banks (R-Ind.) has repeatedly accused Ben Meng, chief investment officer of the California Public Employees' Retirement System (CalPERS), of tacitly working on behalf of the Chinese government. Banks also says that, were it up to him, Meng would be fired — and has questioned the patriotism of California Gov. Gavin Newsom for not at least investigating Meng.

Pope Francis celebrated Ash Wednesday Mass at the Vatican, despite the cancellation of religious services elsewhere in Italy thanks to an ongoing outbreak of novel coronavirus, AP reports.

Why it matters: Mass gatherings in close proximity — like religious services and sporting events — could become an easy way for the virus to spread as the outbreak widens across the globe.

Delhi Chief Minister Arvind Kejriwal called for the Indian Army to be called in on Wednesday as the capital's worst religious violence in decades entered a third day.

What's happening: The BBC reports at least 20 people have been killed and 189 others wounded since Sunday in the clashes between Hindu and Muslim groups over a new citizenship law.

The novel coronavirus has spread from China to infect people in more than 40 countries and territories around the world, killing over 2,700 people.

The big picture: Most of the 80,000 COVID-19 infections have occurred in mainland China. But cases are starting to surge elsewhere. By Wednesday morning, the worst affected countries outside China were South Korea (1,146), where a U.S. soldier tested positive to the virus, Italy (332), Japan (170), Iran (95) and Singapore (91). On Tuesday, new cases were confirmed in Switzerland, Croatia and Algeria.