Bread, pasta, and cookies all have something in common: they are sources of

Bread, pasta, and cookies all have something in common: they are sources of carbohydrates.

Explanation:

Carbohydrates are a group of nutrients and a common name for sugars (saccharides) and chains (polymers) thereof, including starch and sometimes dietary fiber. Also, some derivatives of saccharides and their polymers are counted as carbohydrates.  Carbohydrates are the main energy providers of the body, since when processed, the glucose of these supplies energy to the body.

if it is a supervisor that collects all the handmade products the word is you but if it goes straight to the machine made activity there isn't any word unless there is robot programmed to say you.

according to classical republican political theory, which democratic republics would function best?

a.   small republics, with people who had similar interests

b.   large republics, with people who had competing interests

c.   republics made up entirely of landowners

d.   republics made up entirely of servants