Which of the following characteristics do all of the other planets have in common

An educatethe yuan dynasty was responsible for which of the following: i. improving the road system ii. increasing sea trade with india and south east asia. iii. extending the canal system iv. brutal warfare and ruthless killing of people in order to take over china. a. i & iii c. iv only b. ii only d. all of the above member of the government

Apex plz i’m almost done if i get this all right

As a result of the germanic tribes sacking rome