Why did nationalists feel that a unified italy made sense

Identify they difference in plant domestication between mesopotamia and mesoamerica during the neolithic revolution

Can someone me out with this , i'm putting 30 points on it

According to us supporters, which was a benefit of purchasing alaska? the territory would be a buffer to invasions from europe. the territory would provide a place for many americans to live. it would increase trade by improving access to the northern pacific. it would increase the united states’ power by creating a bond with russia.