The two example of Supersonic aircraft are Concorde
developed by UK and France which travelled from NY and London exceeding Mach
(the speed of sound). It was retired following a bad accident. The most famous
supersonic plane is the SR-71 Blackbird spy plane developed by Lockheed. A
supersonic airplane is simply one that is capable of flying faster than the
speed of sound, which is about 760 miles per hour.
Answer:a. to establish ability to build forts
Explanation:
The Department of Homeland Security. Right after the 9/11 attack, the central government moved rapidly to build up a security structure to shield our nation from vast scale assaults coordinated from abroad, while upgrading elected, state, and nearby abilities to plan for, react to, and recuperate from dangers and fiascos at home.
Answer:
Theodore Roosevelt was sworn in office in Buffalo,New York
Explanation:
