While individual plebeians, or freeborn Roman citizens outside the patrician, senatorial and equestrian classes, were able to gain economic power by amassing wealth and joining the equestrian class, their chances of joining the politically influential senatorial class were extremely remote. Collectively, however, plebeians were able to effect political and social change by forming a mob and rebelling against their social superiors.
I am not so sure about tge 2nd part
First question's answer is: The Federal Management Emergency Agency is the agency that we first call for disasters through 911. On the second question which is, "what is the chain of command to call in a disaster", that would be led by the Incident Commander then next is the Public Information Officer, Site Facility Check, Search and Rescue teams, First Aid leaders and teams.
The third sentence. Commas in unnecessary spots of the sentence.
Because they are inexpensive and are sensitive to a wider range of fire conditions than the other type they contain some americium
