PLEASE PLEASE HELP WILL MARK BRAINLIEST

the last question, daimyo were large landholders who held their estates at the pleasure of the shogun.

Second to last question, Pax Mongolica" means Mongol Peace in Latin. The term refers to the period of peace and stability that the Mongol Empire experimented after the conquer of the vast Eurasian territory (comprising part of Europe and Asia) . in the 13th and 14th centuries

first question, The pro’s are that you have generally a more rule by law.

The con is that a civil service is more prone to corruption than feudal load

Hope this helps!

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain