a Venn diagram
a T-chart
a matrix
a continuum scale
A continuum scale is the least likely organizer to be used for comparing and contrasting. The most likely to be used is a Venn diagram.
To make lighthearted observations about an otherwise serious subject
One can find a trunk organizer at many different retail stores. Stores such as Walmart or Target are likely to carry a trunk organizer. Alternatively, one could visit a specialty store that carries organization tools.
Tribal Africa has used slavery to subjugate people for thousands of years. It is often used as an act of war. In America, it was used to ramp up the economy. The result for both is likely the same. People are mistreated and demeaned.
You compare their probabilities. The one with the greatest probability is the most likely.
cowardly
The likely word is the transposition contrast (comparing differences, or brightness range).
religious themes
religious themes
Most likely a matrix structure of functional and divisional structures.
In the North, people tended to belong more to the Whig/Republican party and were generally more likely to be educated. The Southerners belonged mainly to the Democratic political party.
Most likely a quill.