The computer mouse is used to "<span>C. control a pointer on the screen," although sometimes a "trackpad" is used for the same reason--with the trackpad usually being part of the computer itself. </span>
OIL petroleum and other gas
Well, kind of?
But I'd go with False.
The Cuban Missile Crisis was started by the photographs taken by the U-2 spy plane but the real issue was that Cuba was building missile launching pads and the Soviet Union was supplying them with those missiles.
The US ended up blockading Cuba to keep the Soviet ships from arriving in Cuba.