Shifting alliances and the gradual encroachment of European-American settlement led to some Miami bands merging.
Ending this damaging tax policy would allow more farms to be passed on from generation-to-generation and help prevent the gradual encroachment of development.
The change was marked by the gradual encroachment of vegetation, thin woods watered by a multitude of small springs from the mountains secret sources.
Ever since the completion of the new tower in 1870, there had begun a very gradual encroachment of the sea upon the beach.
The gradual encroachment of the state in the succeeding centuries took on the dimensions of a tidal wave in the twentieth century.
He has also long railed against what he sees as the party's gradual encroachment on the Constitution.
The gradual encroachment of the newly formed mendicant orders into the university was the immediate cause of this.
The federal Indian Claims Commission, however, decided in the 1970's that the Shoshones had lost the land through "gradual encroachment" of the settlers.
The park, dating back to the 17th century, has suffered gradual encroachment.
I am sure that the power of vested interests is vastly exaggerated compared with the gradual encroachment of ideas.