Answer:
at the same time as
my explanation is in the screen shot I got from google
The system of feudalism that evolved in western europe ultimately led to the emergence of the Hundred Year Wars. It was<span> a series of religious </span>wars<span> fought for control of Jerusalem. During the Crusades, many </span>feudal<span> lords died, so kings reclaimed their land and regained power.</span>
Answer:
What was it and when did it begin?
The Great Proletarian Cultural Revolution was a decade-long period of political and social chaos caused by Mao Zedong’s bid to use the Chinese masses to reassert his control over the Communist party.
Its bewildering complexity and almost unfathomable brutality was such that to this day historians struggle to make sense of everything that occurred during the period.
Explanation: