Help!! GRAMMAR. I’m stuck on this! This is the subject grammar this is very cknfusing

1. equality

2. wealthy

3. straighten

4. exploit

5. treasures

6. toughest

7. moisten

8. streamline

9. poisonous

10. pedigree

11. creatures

12. ceiling

13. volunteer

14. shoulder

15. guaranteed

16. appointment

17. earthbound

18. impeach

Explanation:

Synonyms are the words that mean somewhat or similar to the word. The words that are related to the main word, or provide an equivalent meaning to it are termed to be synonymous words.

Synonyms helps in providing an elaborate meaning and gives a substitution of the word.  

In section A, synonyms are to be chosen and written for the given words. The synonymous words are to be selected from the given box.

In section B, the words that helps in forming the complete sentence will be used.

It decreased its territory by half

Explanation: Mexico had lost Texas, California, Nevada, Arizona and parts of other present-day American states.