[20170321]R44793_撒哈拉以南非洲：关键问题、挑战和美国的应对措施.pdf

Sub-Saharan Africa: Key Issues, Challenges, and U.S. Responses Nicolas Cook Specialist in African Affairs Alexis Arieff Specialist in African Affairs Lauren Ploch Blanchard Specialist in African Affairs Brock R. Williams Analyst in International Trade and Finance Tomas F. Husted Research Associate March 21, 2017 Congressional Research Service 7-. www.crs.gov R44793