Which preposition to use with readmitted

into Occurrences 2%

There lies no hope in this unfortunate mission of mine, but in one of its clauses which states that the marriage, if all else be favorable, may be concluded only on this condition [looking about cautiously]: that certain English manufacturers shut out by Prussia be readmitted into the country [softly] on acceptable terms.

to Occurrences 2%

To these terms six states (North Carolina, South Carolina, Florida, Alabama, Louisiana, and Arkansas) submitted, and in June, 1868, they were readmitted to Congress.

Which preposition to use with  readmitted