Sos a.s.a. of the following statements about the marquis de lafayette are true? check all of the boxes that apply. he was a spanish nobleman. he was a close friend of gen. washington. he participated in the siege at yorktown.

He was a close friend of General Washington.

and

He participated in the siege at Yorktown.

Explanation:

iron weapons

Explanation:

During the Qin dynasty, the iron weapon became widespread in their military and this had an impact on their military strength.

The iron industry was in high use during this dynasty, and many metal products were generally used (tools, weapons, dishes, etc.)

Archeologists found various iron weapons from this time, such as swords, spears, saggers, machete, as well as various shooting weapons.