Origin of inroad
Examples from the Web for inroads
The state was a key Democratic pickup in 2008, a symbol of Democratic inroads into the Republican West.
A few centuries ago Europe feared the inroads of Eastern barbarians; now, any such fear would be ridiculous.
Moab was more exposed to the inroads of its nomadic neighbours from the wilderness than its sister-kingdom of Ammon.Early Israel and the Surrounding Nations|Archibald Sayce
The Creeks were still hostile and continued their inroads upon the western settlements.Myths of the Cherokee|James Mooney
see make inroads into.