Rivers have played an important role in human history. Since ancient times, towns, cities, and entire civilizations have thrived around rivers, which provide people with many of life's necessities. One such river, the River Thames, has been instrumental in the founding and development of London. What is the MOST LIKELY reason many civilizations developed around rivers? * 100 points

The river offered people a way to defend their city.

Explanation:

Water was pumped out  of the Thames to put out fires started by the bombs and volunteers patrolled the river to ensure that the German ships didn’t enter the Port of London. Supplies and troops often traveled up and down the Thames when bombings obstructed the roads.

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faulty parallelism is a grammar construction where there is no balance in the parts of a sentence they have a similar meaning but the grammar structure is not equivalent.

the correct version of this faulty parallelism in the sentence is:

jefferson wrote the declaration of independence, and he was the nation's third president.

the problem with the first version is that the sentence:

"jefferson was both the writer of the declaration of independence"

presents jefferson as both a subject and an agent for the verb "write" because if he was "the writer" then the declaration of independence was written by him, besides that fact, the sentence presents a dependent clause.

while the second sentence:

he was the nation's third president.

presents a basic subject+verb+object structure

so, to give a proper balance to the structure, or better said, to give a parallel structure, we must write a basic s+v+o structure in both sentences:

jefferson wrote the declaration of independence, and he was the nation third president.