Basically, <u>two important changes were introduced to the definition of homeland security in 2010</u>. <u>First one</u> was about <em><u>Nation’s homeland security missions. </u></em>These missions are enterprise-wide, and not limited to the Department of Homeland Security. Federal Government, State, local, tribal, and territorial governments, the private sector, and other non-governmental organizations are responsible for executing these missions. The homeland security professionals must have a clear sense of what it takes to achieve this vision. <u>The second change</u> was about <em><u>three key and essential concepts for a comprehensive approach to homeland security: Security, Resilience and Customs and Exchange</u></em>.
Bringing legal challenges to racial discrimination. The NAACP during the 1920s and 1930s led the struggle for the civil rights of blacks in the fight against injustice, such as the denial of voting rights, racial violence, discrimination in employment and facilities segregated public.
Sun Yat-sen is the known father of modern china.
I believe your answer would be:
<u><em>B: Americans even began talking of building a railroad all the way to the Pacific Ocean.</em></u>
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<em>Good Luck! =)</em>
