President Trump is hosting 5 African leaders in Washington this week — a selective summit that's raising eyebrows over who was invited, what's on the table, and what it signals about U.S. rivalry with China and BRICS in Africa.

All five countries invited have abundant natural resources, including manganese, iron ore, gold, diamonds, lithium and cobalt, which are essential for use in current technologies. China has made huge inroads in Africa in recent years, investing heavily across the continent, especially in resource extraction.