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.

How else might the black hand have addressed its nationalistic aspirations

Why would the free rider problem prevent a private business from investing in the building of a city sidewalk?

Tori is researching for her blog post about how wearing sunblock can prevent skin cancer, and she finds a page about her topic on the united states centers for disease control website at is this a reliable site for tori’s research? yes, because it is presented by a college or university no, because it is a personal opinion about the subject yes, because it is run by a governmental organization no, because it is intended to advertise a certain product