Dane is writing a research paper on the role of women during the vietnam war, but when he enters “vietnam” into a search engine, he gets more than 900 million hits. the first page of results lists nothing but hotels and attractions in the country. all of these strategies would him to further refine his results except a. using quotation marks, such as in “women in the vietnam war” b. typing “vietnam” into multiple search engines c. using the advanced search feature to eliminate travel sites d. limiting his search to education domains

B. typing “Vietnam” into multiple search engines.

Explanation:

All of the other strategies would help this student, except for this one. Typing "Vietnam" in various search engines is unlikely to help him because he will most likely run into the same problem with every engine. His main problem is that his request is too broad. All the other options listed here will help because they contribute to narrowing the topic.

the answer is d trust me

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.