Answer:
this is not the real answer just conjecture human being did not develop altruism
Answer:
B: Parts could be used for different machines
Explanation:
Yes, this is true, and I find this to be a fitting definition of political revolutions - the answer is "yes"
let's take for example the fall of the Socialist/Communist regimes in Eastern Europe in the late 1980s. They were connected to the removal of the e<span>xisting political system (socialism) and their replacement with a new regime -free market and capitaism</span>
