Answer:
Among the options given on the question the correct answer is option A.
By attracting conservative Southern voters to the Republican Party
Explanation: Richard Nixon was the 37th president of the United States of America. He was also the 36th vice president of USA. He was elected as the president in 1968 and was re elected in 1972. But after one year of re electing he was impeached for the water gate scandal.
However, he was the one who started a new era in the American politics by attracting the conservative southern voters to the Republican party. His policy was known as the Southern strategy in the political history of USA.
The southern white leaders were strongly affiliated with Democratic party and they strongly supported the Jim Craw law which was a racial segregation law. But before Nixon's policy Republican party did not have a good term with Southerns white leaders. He started to give positive vibes with Southern white leaders and silent support to their white supremacy.
As a result a lot white voters from Southern area became attracted with the Republican party.