The vulnerabilities and challenges that more complex civilizations faced disease, conflict, and shortages of food since these societies were so populated. Due to its sheer population, an epidemic could happen if an outbreak of disease happens.
However, countermeasures were prepared to address these vulnerabilities, such as storing food and water.
The historians most likely belong to the Classical School of thought.
He was elected as president in 1828
C. Has all their work done in another country.
Answer:
try d if not try a hope this helps