Cuban President Raúl Castro visited China and Vietnam this week seeking to shore up economic, investment, and political ties.

Long considered the frontrunner, the Institutional Revolutionary Party’s Enrique Peña Nieto won Mexico’s July 1 election. Observers debate what the return of the PRI could mean for Mexico.

King Juan Carlos of Spain undertook a visit to Brazil and Chile this week, seeking new investments and promising Spanish business commitment to the region.