Interesting question. The black death was a rather ready virus or as they called it a "plague". The reason it was so deadly it because it was a brand new virus/plague that the Europeans had never encounterd therefore being rather deadly for there immune system was not ready for it and had no way of treating it because it was an known virus from overseas. If you didn't know it was carried over on a ship where the virus was attached to a rat with further infected the crew and soon after the entire towb
What was said below is true but also because there was no way of actually treating the disease and stupid cures were invented for it which of course didn't work. They tried getting rid of all animals but getting rid of rats was hard due to the living conditions of medieval times. Considering this we learn that it killed a third of the population of Europe. That's several millions of people. However it didn't only have a devastating effect on Europe, it had it everywhere. While typically we focus on plague in England and Europe it is important to realise that it came from the Middle East or even further away in India and that it had devastating effects there too.
The "Progressive Movement" and instigation of "strikes" <span>allowed labor unions to participate in collective bargaining with business mangers, since this put a great deal of pressure on their employers. </span>
The answer is: D) He placed family members in charge of regions
In order for the Zhou king to bring the vast regions of the east to the centralized government of the Zhou Dynasty, it was of the utmost importance to place members of the royal family into places of authority and also establish kinship ties via marriage to unify the regions it was looking to control.
During the Constitutional Convention, large states such as Virginia argued that "<span>D.a state’s congressional representation should be based on its population," since the larger physical states tended to have larger populations. </span>