Answer:changing one amino acid in the protein hemoglobin causes sickle-cell anemia
Explanation:
I just took the test
Answer:
In 1844, Congress finally agreed to annex Texas. On December 29, 1845, Texas entered the United States as a slave state, broadening the irrepressible differences in the United States over the issue of slavery and setting off the Mexican-American War.
Explanation:
It lead straight to lots of homeless because of lack of houseing, I hope this helps out!!!
I think it’s Portugal and Brazil but I’m not sure
Number 1 is the correct answer