How did trade in the Roman Republic impact the development of the merchant class? ASAP WILL GIVE BRAINLIEST PLEASE HELP

a
More land to cover made trade harder.
b
Conquest of new land allowed Romans to trade goods that used to be difficult to get.
c
Conquest of new land made it difficult for Romans to trade goods that used to be easy to get.
d
Merchant class development was slowed because of the increase in territory.

What would happen if airlines and baseball stadiums priced all seats the same instead of using variable pricing

The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research

Read the following: (1) liz has become more responsive to her partner's advances since a really beautiful woman moved in next door; (2) unable to accept his desire for other young men, 15-year-old juan immerses himself into his studies; (3) shauntel tells people that her coworker mary dislikes her; though if she were honest, shauntel would realize that it is actually she who dislikes mary; (4) "ben's nasty; he's disgusting," says renee; but renee secretly finds ben attractive. describe the defense mechanism he or she is using.