It lagged because of the bubonic plague
in the movie The Hunt for Red October a Soviet Naval Captain wishes to defect during the United States during the Cold War bring his other naval officers and the Soviets newest and most advanced nuclear missile submarine with him
He meant that there is little difference between the two, just that socialism is a more acceptable way of presenting the ideas of communism, but that essentially the two are the same.
King charles was mostly like the other kings he raised the taxes for the people which made them mad.