The answer is definitely a
It was inflamed by the <span>Kansas-Nebraska Act. </span>
AC is a type of current flow in a circuit. Electric charge in alternating current (AC), changes direction periodically. The voltage in AC circuits also periodically reverses because the current changes direction. It transmits electricity over long distances. AC can come in a number of forms, as long as the voltage and current are alternating.
The Industrial Revolution began in B. Great Britain from around 1760 to 1820. It then spread through Europe and eventually around the world.