Please help me. Match the description in column 1 with the theme in column 2.

What events caused the united states to intervene in southwest asia?

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

One reason that madrid became the capital of spain is because of its