Whoever takes office will have to diversify the country's export markets, which means deeper ties with Russia.
In its first direct talks with representatives of the Afghan Taliban, the United States must maneuver complex relations with al Qaeda as well as changes to the Afghan constitution.
Germany's position dictates that it must pacify the United States and Russia.
The prospect of bank defaults could stall Beijing's efforts to rein in credit growth and reform the economy.
Negotiations in Havana are now focusing on transforming the militant Revolutionary Armed Forces of Colombia into a political organization.
Some of the challenges loyalist forces must overcome are the same that kept them from taking the city in summer 2012.
Unpopular decisions made by the two governments have caused unrest.
Substantive change continues with a presidential election in October.
China's banking situation appears more precarious than at any point since 2011.
Discussing why this is such a critical time for the Turkish government, and whether it's a good time to invest in the country, with Reva Bhalla, Stratfor.
The demonstration started as an "environmentalist-driven protest," says Reva Bhalla, vice president of global analysis for Stratfor, a Texas-based geopolitical intelligence firm.
"You have American gangsters working with Mexican gangsters hand in glove there," said Scott Stewart, a lead analyst at U.S.-based intelligence consultancy Stratfor.