Final answer:
Jus sanguinis and jus soli are contrasting policies that determine citizenship based on parentage or place of birth, respectively, with both having implications for citizenship in the U.S.
Explanation:
Jus sanguinis is a policy where citizenship is determined by having one or both parents who are citizens of a nation, contrasting with jus soli which is citizenship based on place of birth. An example of jus sanguinis is when a child inherits the citizenship of their parents. In the U.S., both jus sanguinis and jus soli concepts play roles in citizenship determination.
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