What important strategy used by the Romans had the effect of unifying their empire? A Building a large transportation network of roads and bridges
B Using powerful navies to protect sea trade routes
C Supporting free-market economies by using silver coins
D Granting citizenship and voting rights to conquered peoples

A, building a large transportation network of roads and bridge

Explanation:

The romans used built roads to trade goods, education, religion and culture making Roman a diverse empire with different roads and bridges to make it mix society and influential.

Sorry for the argument I was a bit mad because the other user was pretty funny every question he/she was their and it was 4 times in a row, I don't think you would get mad but you did and sorry for calling you selfish. I had the answer and explanation but you guys were going off and making me feel down on my self :I, But it's all good :)

d

explanation:

civil rights vs. civil liberties. civil liberties are basic freedoms while civil rights are the basic right to be free from discrimination based on such characteristics as race, disability, color, gender, national origin, and others. discriminating against an employee on the basis of gender is a civil rights violation.

where are the choices