Answer:
Hold open primaries
Explanation:
In an open primary, anyone can vote, regardless of their party affiliation. In a closed primary, only a republican voter can vote in the republican primary. In an indirect primary, voters choose delegates who will vote as theri representative. A caucuse isn't so much an election as a planning meeting.
Answer:
b is common sense but I could be wrong
Answer:
D) The transfer of peoples, diseases, plants, and animals between the new old worlds.