Watt introduced a design enhancement, the separate condenser, which avoided this waste of energy and radically improved the power, efficiency, and cost-effectiveness of steam engines. Eventually he adapted his engine to produce rotary motion, greatly broadening its use beyond pumping water.
Taking an educated guess here -- I think it would be 1, 3, and 4 which all seem pretty reasonable.
Answer:
Once they embarked, settlers faced numerous challenges: oxen dying of thirst, overloaded wagons, and dysentery, among others. Trails were poorly marked and hard to follow, and travelers often lost their way. Guidebooks attempted to advise travelers, but they were often unreliable.
They do not recognize the Armenian genocide because they were killing the
President Harding? or Martin Luther King Jr?