The land to the north of the Gila River, in United States territory, was too mountainous. President Pierce instructed the American minister to Mexico, James Gadsden, to purchase as much territory in northern Mexico as possible.
A bollard is a short post designed to identify or segment a location, guide traffic or protect sensitive areas. It provides an effective visual barrier for vehicles and pedestrians and can offer significant impact protection where effective security is required.
Definition of Caterpillar â used for a tractor made for use on rough or soft ground and moved on two endless metal belts CATERPILLAR Defined for English Language Learners