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Ukrainian Army troops in Donbas. Photo: Oleksandr Rupeta/NurPhoto via Getty Images

The Pentagon has announced it will provide $200 million in security assistance to Ukraine. The funds had already been approved, as CNN notes, pending "a series of defense reforms" from Ukraine's government.

Why it matters: The move comes just four days after President Trump's meeting with Vladimir Putin, at which Trump advocated for better ties with Russia, and the same day Trump rejected Putin's suggestion for a referendum to help settle the Ukraine conflict. Putin had raised concerns in Ukraine by reportedly saying occupied Crimea is Russian because the people there speak Russian.

Go deeper

Facebook's pivotal week

Illustration: Aïda Amer/Axios

They're battening down the hatches at Facebook headquarters this week as the company faces a trifecta of tumult: a continuing wave of negative press coverage fueled by document leaks, a critical earnings report Monday and a reported name change looming.

The big picture: All this is unfolding as Mark Zuckerberg tries to transform Facebook from a social network into the prime mover behind a new "metaverse" of VR- and AR-driven remote work and play.

3D-printed houses seem poised to go mainstream

A rendering of a planned 3D-printed, net-zero-energy community in Rancho Mirage, Calif. Photo: Mighty Buildings

3D-printed cement houses are about to take off, offering a cheaper, more efficient way to provide homes for those who need them — as long as they can be built in ways that don't worsen climate change.

Why it matters: Developers of 3D-printed homes think they can take on multiple challenges: the affordable housing crisis, the shortage of skilled labor and rising material costs.

Updated 1 hour ago - World

U.S. threatens to cut aid to Sudan after military takeover

Sudanese Prime Minister Abdallah Hamdok during a 2020 news conference in Khartoum, Sudan. Photo: Mahmoud Hjaj/Anadolu Agency via Getty Images

Sudan's civilian Prime Minister Abdalla Hamdok was put under house arrest and several other ministers were detained Monday in what appears to be a military coup in the country, per local reports.

The latest: Several hours after he was placed under house arrest, a military force took Prime Hamdok and his wife from their house to an undisclosed location, according to Hamdok's adviser Adam Harika.