The events of the last year have clearly underscored the limits of diversification.
But they said current events underscored the need for a new energy strategy for political, economic and environmental reasons.
Those events underscore a serious problem that European governments have tried, and so far failed, to solve.
Recent events have underscored the growing importance of an international orientation.
The events of September 11, 2001, underscored a need for a mechanism to better utilize volunteer medical and public health professionals.
The chaotic events at the church underscored the larger problems with negotiations to end the siege peacefully.
While the Congress met, events across the land underscored the urgency of restoring order.
"This event can only underscore the international community's resolve that Haiti's military dictators must leave."
Recent events underscore the need to strengthen and improve visa security.
But the event underscored this year's strong rebound in stock prices after three straight years of declines.