Which is the best example of frictional unemployment

a. a plumbers contract with an apartment building ending

b. collage graduates looking for their first jobs after internships

c. worker being laid off during a period of recession

d. a company moving to another state leaving it's workforce without jobs

c. taught scientists many new things about the earth, but not other planets.

explanation:

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

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mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.