How did nelly know that things were not going well for isabella at wuthering heights? answers?

In Emily Bronte's Wuthering Heights, Nelly knows that things were not going well for Isabella at Wuthering Heights because she received a letter containing the news. Six weeks after she goes away, Isabella sends a letter to Edgar, declaring her wedding and pleading forgiveness. He does not reply. Afterward, a distressed Isabella sends a letter to Nelly, doubtful on the kindness of Heathcliff. She told Nelly that they are living at Wuthering Heights and she pleads for a visit. She also tells her experiences at Wuthering Heights. Isabella meet Joseph, Hareton, Joseph, and Hindley: All are bad-mannered and hard-hearted. She recognizes her fault but also recognizes that it is too late. 

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.

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