The Lincoln-Douglas debates occurred during
the House election of 1854.
the presidential election of 1856.
the Senate election of 1858.
the presidential election of 1860.

each played a major role in ending the cold war.

lying without the limits of the several states; and may permit them, at such times, and in such manner as it

as general terms,  indian territory,  the indian territories, or  indian country  describe an evolving land area set aside by the  united states government  for the relocation of  native americans  who held  aboriginal title  to their land. in general, the tribes ceded land they occupied in exchange for  land grants  in 1803. the concept of an indian territory was an outcome of the 18th- and 19th-century policy of  indian removal. after the  civil war(1861–1865), the policy of the government was one of  assimilation.

the answer is d. selective incorporation. (apex)