The United States on Monday announced financial sanctions against rebel territories freshly recognized by Russia in eastern Ukraine and warned that more were ready if necessary. President Joe Biden will issue an executive order to “prohibit new investment, trade, and financing by US persons to, from, or in the so-called DNR and LNR regions of Ukraine,” White House Press Secretary Jen Psaki said, referring to the breakaway regions of Donetsk and Lugansk. The order will “provide authority to impose sanctions on any person determined to operate in those areas of Ukraine,” Psaki said, adding that …