Sam is not very good at following conversational rules. It is difficult to have a conversation with him because he talks out of turn and keeps changing the topic of the conversation. Sam has a problem with:

B. Pragmatics

Explanation:

The options are:

a. semantics.

b. pragmatics.

c. phonetics.

d. syntax.

From the scenario given about Sam, it can be inferred that Sam has the problem of pragmatics.

Pragmatics is a branch of linguistics that deals with the language in use and the taking of turns in conversation, etc.

Since Sam always cuts into a conversation and changes it, then he is not following the rule of conversation and thereby having the problem of pragmatics.

Pragmatics encompasses the act of speech, conversational implicature, talk in interaction and so on.

its so obvious. its 999 obviously.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place