Is the phrase "in short" a descriptive phrase

However, the idea of real-life people living in what would become the united states for thousands of years before columbus ever left spain never dawned on me. what would be the best way to revise this sentence for greater clarity? a) however, the fact that columbus left spain thousands of years after people settled what would become the united states never dawned on me. b) it never dawned on me, however, the idea of real-life people living in what would become the united states for thousands of years before columbus ever left spain. c) however, the fact that people were already living in what would become the united states for thousands of years before columbus ever left spain never dawned on me. d) however, the idea never dawned on me that long before columbus ever left spain, real-life people lived for thousands of years in what would become the united states.

Make sure the topic of your persuasive essay is not a. something someone else is writing about b. a fact c. something you have written about before

Which words and phrases connect the ideas in this excerpt from a compare and contrast essay? the team considered using products made by company a and company b. however, the budget and concerns about learning about two products meant that they needed to choose only one. they realized that the product from company a was of excellent quality, to company b's product.