On what major issue was James K. Polk's 1844 presidential campaign centered? A. the freeing of the slaves B. the annexation of Texas C. the annexation of California D. the repeal of the Missouri Compromise

B. the annexation of Texas

Explanation:

He focused on territorial expansion of the United States thus annexation of Texas was a key issue for his campaign during that era.

how did justinian contribute to the byzantine empire?

one famous byzantine emperor was justinian i. justinian ruled from ad 527 to 565. belisarius was the commander who led these armies in an attempt to win back the old western roman empire. the war effort to take back the western part of the empire forced justinian to raise taxes on the people of the byzantine empire.

explanation:

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