The black death was spread by
a. a curse issued by the church.
c. the crusaders.
b. flea-infested rats.
d. polluted drinking water.

The black death was spread by  flea-infested rats but it was throy developed by medieval doctors and medics widley rooted and accpeted for centuries but in these days historians have other thories about spred of the desise

Its a government where there are no states so the federal government has supreme authority and no other government bodies can challenge it. england is an example of a unitary government. other types of governments are federal, like the united states, where the power is shared between state and federal government, and confederate, where the states hold all the power and the only government that bonds them all are on issues that all states agree on. the south during the civil war was a confederate government, as well as america when it was governed under the articles of confederation.