How many peopele did the first round of the black plague kill?

was estimated to about 45 million people.  almost 1/3 of the European population

Explanation:

the compromise of 1850 was a package of five separate bills passed by the united states congress in september 1850, which defused a four-year political confrontation between slave and free states on the status of territories acquired during the mexican–american war

answer; /// i do believe that its napolean's conquest of spain;