Help please its urgent
(good vocab and make it a bit lengthy)

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.

April does not let things interrupt her goals, she just continues on until she gets what she wants. complete, run on or comma splice

Match the term to the purpose it has. 1. but 2. furthermore 3. meanwhile 4. in the distance 5. first 6. therefore 7. in other words 8. for instance a. show space relation b. introduce an illustration c. repetition of an idea d. take away, limit, or oppose e. show a consequence f. indicate order g. show time relation h. add ideas