How did the invention of the sickle improve farming during the Neolithic era The sickle made it easier and faster to harvest crops.
The sickle made it easier to use slash-and-burn farming.
The sickle made it easier for farm animals to harvest crops.
The sickle made it easier to plant the seeds for new crops.

the answer would be:

b. race

d) iowa i believe is the answer

the romans were initially interested in expansion via sicily (which at that time was a cultural melting pot), part of which lay under carthaginian control. at the start of the first punic war (264-241 bc), carthage was the dominant power of the western mediterranean, with an extensive maritime empire