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(The Center Square) – The Trump administration’s effort to curb China’s influence in the Western Hemisphere is impacting politics across Latin America, including in countries where conservative candidates want U.S. support.

This year brings the 50th anniversary of a historic event. As July 2019 approaches, we’re asking readers to think about answering one or all of three basic questions about the moon visits and space exploration...

In the United States, the era of big dam building ended some 30 years ago. That’s primarily because most of the best dam sites are already utilized and we’ve become much more aware of the environmental problems associated with dams. In the developing world, dam building is just getting started. River systems in Latin America, Africa, China, Southeast Asia, and Eastern Europe are being dammed at a staggering pace.