For the goverment and the citizens that walk down us and help pepople get mon
<span>It might be said that the true sentences are:
Feudalism is a system of cooperation among peoples which was basically an exchange of land for protection (option A) and A summons is a call to appear in court (option C)
Feudal aids is connected to the "rights benefiting both lord and vassals. And a Vassal was a man who"would protect the lord in exchange for land"</span>
Calculus was developed by Isaac Newton.
B- Newton
Answer:
the correct answer is in London in England