Technology!??? don't take my word
Answer:
True
Explanation:
Texas and mexico had a conflict because they couldn't decide who get to claim the Rio grande because the texas government wanted to claim it and mexico also wanted to so it became a dispute
After nearly four centuries of internal divisions and strife, China was reunited under the leadership of Yang Jian. A member of a respected aristocratic family, Yang Jian founded the Sui Dynasty. Yang Jian used Buddhism to help unite the kingdom.