Answer:
Explanation:
This interracial matrimony helped strengthen the ties between the Tang Dynasty and the Tubo Kingdom. At that time, Emperor Taizong of the Tang dynasty needed to find a bride for King Songtsen Gampo, the new ruler of the Tubo Kingdom (Tibet)
In 1970 when the Aswan High Dam was completed, the annual Nile floods and sediment stopped for most of Egypt's civilisation which lived downstream. In addition to creating electricity, the dam allowed Egyptians to control the flow of water and build upon the Nile's banks with certainty that it wouldn't be flooded.
O. Be able to is the answer I think
Answer: Longitudinal research
Explanation:
Longitudinal research is the research study that is carried out by the researchers through observation technique. Information and sample are collected on the same project over a time period to observe any kind of change.
These researches can take huge amount of time such as may years to notice the alteration on the repeated observation.This study is carried out on the same individual or same group of individuals s the subject.
