Explanation:
Barbed wire played a central role in the development of the Wild West. The “Devil's Rope” transformed the plains from an expansive open range into a set of defined and enforced tracts of cattle land and farm ground, buttressing property rights and facilitating a boom in economic productivity.
Because the molecules that make them up move closer together and become more compact
I looked up the definition for you. Provided by Oxford Languages
The Executive Department does not call its chief administrator the secretary of the department. This is because the chief administrator of the Executive Department of the Government is the President or the leader of the country. Other people who are in the different branches of the government are appointed by the President because they are a part of his cabinet.
the answer is A. Hope I could help
