The correct answer for 1 is
<span>b. Arabs united under Islam and defeated nearby empires.
Arabs lived in numerous tribes and these tribes were often at war with surrounding people due to various reasons. They decided to united under the banner of Islam to fight and spread their kingdom and religion and this proved to be highly successful.
The correct answer for 2 is </span>
<span>b. weakened Persian and Byzantine rule and
</span><span>c. daring, effective fighting methods
Their armies used technology and strategy that was not common at the time which made them superior to their opponents. The Persian and Byzantine empires were weakened because they were constantly at wars with others and with themselves and this made it easy for Umayyads to rise.
The correct answer for 3 is
</span><span>d. The Umayyads expanded into Spain
When they conquered the entire Northern Africa region they crossed the Gibraltar and entered the Iberian peninsula. This was a crucial thing for the area because Islam became a big thing and Hebrews, Muslims, and Christians lived in the area until the Spanish inquisition decided to end that.</span>
Because the Christian religion went against their morals and they found that because of this following this religion was considered to be treason
Bosnia
The end of the civil war saw the state of Bosnia divided into two regions.
Bosnia remained as a single state, but was to be made up of two parts: the Bosnian Serb Republic and the Bosniak-Croat Federation of Bosnia and Herzegovina. Sarajevo was kept as the capital city for the whole nation.
The Dayton Agreement (also called the Dayton Accords) got that name because the negotiations for the agreement occurred at an air force base outside of Dayton, Ohio, in the United States. The full official name of the agreement was the <span>General Framework Agreement for Peace in Bosnia and Herzegovina.</span>
I did some research and the lowest range was 1,000,000 and the highest was 1,700,000. Its hard to estimate this because they didnt have the proper recording instruments we have today.