Iron, power loom, cotton,and the steam engine
<span>overdemand in relation to supply; lack of refined oil; oil speculations; and <span>decreased production by OPEC. </span></span>
Columbus' Crew was just a bunch of people that were prisoners by the queen and just dirty, because the queen thought that Columbus wouldn't succeed, plus she needed to get rid of the prisoners.
The answer is D because The Communist Manifesto was written about the values that the Workers should uphold.
I think the author is Niccolo Machiavelli.