The correct answer is:
The steam engine.
James Watt (1736 – 1819) improved Thomas Newcomen's 1712 Newcomen steam engine. Wat designed his own steam engine in 1776, with a separate condenser that eluded waste of energy, improving the power and efficiency of steam engines. It became key to the Industrial Revolution in Great Britain and all around of the world.
Republicans captured total control of Congress on Tuesday, riding a wave of voter discontent to take the Senate for the first time in eight years ... low level of interest in the election, and those who did show up were not happy.
The appropriate response is Dardanelles. After the demise of Joseph Stalin, the inspiration driving an administration change declined inside the Soviet government, and on May 30, 1953, Soviet Foreign Minister Molotov repudiated the Russian claims over the Bosphorus and Dardanelles, and in addition the other regional question along the Turkish-Armenia-Georgian outskirt.
Council-manager governments feature a popularly elected council that is responsible for policy making. ... Mayor-council governments also have an elected council, but a popularly elected mayor provides executive leadership rather than an appointed city manager.