The administration is aiming to strike deals to expand the United States’ access to critical minerals and to counter China’s rising influence in Africa.

© Doug Mills/The New York Times

The administration is aiming to strike deals to expand the United States’ access to critical minerals and to counter China’s rising influence in Africa.

© Doug Mills/The New York Times

President Trump claims credit for the outcome. The main question now is how the treaty will be implemented as fighting still rages in eastern Congo.

© Pete Marovich for The New York Times