Referred to the new Newsela article, “doctoral student played a big part in first black hole photo” part A Which development most contributed to the first photo of a black hole? Part B Which evidence supoorts the answer in Part A

How did the southeast asia treaty organization (seato) carry out the united states policy on containment? a. seato promoted the creation of united nation military bases to create regional defense. b. seato founded an organization seeking to educate southeastern asian countries on communism. c. seato established a regional economic union to promote monetary security. d. seato sought to provide regional security in southeast asia by establishing alliances.