2points
a historian who compares world events during the classical era to world
events during the modern era is organizing history by
o
a. culture
o
b. region
c. theme
o
o
d. period
w

The answer would be D period.

Explanation:

This history by period sum up noteworthy periods in the history of the world, from the ancient world to the present day. The following are the periods:

•        Ancient history (60,000 BC – 650 AD)

•        Postclassical Era (500 – 1500)

•        Modern history (1500 – present)     

 o        Early Modern Period (1500 – 1750)     

 o        Mid Modern Period (1750 – 1914)    

  o        Contemporary Period (1914 – present)

what are local authorities doing to fix the problem

explanation:

what are local authorities doing to fix the problem