The US and Ukraine have signed a deal that will give Washington access to some of the war-torn country's natural resources.Months in the making, it sets up an investment fund that Ukraine hopes will cement US assistance as the country struggles to repel Russia three years after the invasion. The Ukrainians have now published the deal and there have been public statements from both sides. Here are seven key takeaways.snipThere were some concerns in Kyiv that the resources deal could hinder Ukraine's ability to join the EU, if it gave preferential treatment to US investors, as Kyiv and Brussels already...