What are some good sources to get research articles from?

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.

Which of these flaws does ulysses reveal while leaving the island after blinding the cyclops? a. a need for comfort b. a need for companionship c. a desire for glory d. a desire for riches

Agood thesis is very specific. it is not just a general statement. select the best answer from the choices provided t f