BERLIN (AP) — Faced with more than 1 million migrants flooding across the Mediterranean last year, European nations tightened border controls, set up naval patrols to stop smugglers, negotiated an agreement with Turkey to limit the numbers crossing, shut the Balkan route used by hundreds of thousands, and tried to speed up deportations of rejected asylum-seekers. Yet many issues still remain. European nations continue to squabble about whether, and how, to share the newcomers between them and the issues that drove migrants to Europe in the first place — such as Syria’s unrelenting war — are unresolved. Overall, 2,901 people have died or disappeared crossing the Mediterranean in the first six months of 2016, most along the dangerous central route to Italy — a 37 percent increase over last year’s first half, according to the International Organization for Migration. Here’s where things stand in key countries: TURKEY Turkey is hosting some 3 million refugees, including more than 2.7 million Syrians. Most migrants there don’t get government support, but the agreement with the EU calls for the bloc to provide up to 6 billion euros ($6.8 billion) to help Syrian refugees in Turkey. The deal also provides for one Syrian refugee