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>
<span>Westward expansion led to loss of life and territory for Native Americans and added to the growing conflict between "free" and "slave" states before the Civil War.</span>
To get to better land to farm I think! I hope this helps!
In this passage, the type of warfare being described by the author is "chemical warfare".
Uncle Tom's Cabin; or, Life Among the Lowly is an anti-slavery novel by American author Harriet Beecher Stowe. Published in 1852, the novel had a profound effect on attitudes toward African Americans and slavery in the U.S. and is said to have "helped lay the groundwork for the Civil War".