Ancient civilizations used astronomical objects to define time, including the number of days in the week. why are there seven days in a week?

a. they could only see seven rings around saturn
b. only seven objects changed position over time
c. they could only see the seven galaxies without using a telescope
d. only seven signs of the zodiac were identified by ancient people

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south

bujías y una hora antes y no me parece muy difícil

in 1859, brown and 21 of his followers attacked and occupied the federal arsenal in harper's ferry. their goal was to capture supplies and use them to arm a slave rebellion. brown was captured during the raid and later hanged, but not before becoming an anti-slavery icon. abolitionist and insurrectionist

explanation: