Biden seeks to reassert US power in Africa through summit. This week, President Biden will host 50 African leaders in Washington for a high-profile summit to strengthen relations with Africa and counter Chinese or Russian influence. The summit will be the White House's first since 2014. This is because the Biden administration wants to increase cooperation on issues such as trade, investments and elections. The U.S.-Africa Summit is happening at a time when some African countries refuse to take a stance towards Russia. This is due to concerns about global food security during the war in Ukraine, and part of…