Fifty years after a North Vietnamese tank came crashing through the front gate of Saigon's presidential palace and brought an end to the nearly two-decade Vietnam War, Ho Chi Minh City is gearing up for a celebration.

The Vietnam War greatly impacted U.S. society from the passage of the War Powers Resolution that restricts the president’s ability to send troops into extended combat without congressional approval to the cementing of college campuses as centers of student activism.