What is the significance of chronology and eras? establishes a sequence of events
C. provides authentic data about historical events
b. the processes used to compile data d. all of the above
a.
Please select the best answer from the choices provided
B

D

i think its either b or c

explanation:

the enslaved people onboard suffered from illness with some frequency

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.

d. dr. francis collins