Answer:
1) Territory (land) disputes.
2) Texas Annexation- Texas was admitted to the Union as a slave state nine years after winning its independence from Mexico. The annexation was a contributing factor to the Mexican-American War.
Explanation:
We would need the phrases but a plateau is an area of land that is flat
The answer is: It borrows techniques from numerous subjects
Interdisciplinary field refers to the field that can only exist from the knowledge that derived from other fields.
When you are studying environmental science, you would notice that the subject would include knowledge from geography, physics, chemistry, and Biology at the same time.
Self awareness make people realize their own capability/potential which prevent them from picking the careers that is not suitable for them.
For example, if someone aware that they're gifted in art related activities from early age, they could focus themselves to obtain further education in art-related subjects so they could get enough skill for their job searching