because of railroads
Most learned the hard way, through trial and error, but others had mentors that taught them how to know the behaviour of cattle and how to raise and herd them.
Because they had to find new ways to raise and graze the cattle that they care for due to the increasing popularity of barbed wire that is used by farmers trying to protect their livelihood from free-ranging cattle.
A herd, mob, drift or drove of cows.a herd of cattle
at the end of the cattle drive, the cowboys rest and drink and fight
cowboys
yes
Herd cattle
A "roundup".
The purpose of the cowboys were to herd longhorn cattle across the plains to the east to be slottered and sold.
cattle ranching provided meat/beef when cowboys led a herd of cattle to markets
A cowboy is an animal herder who tends cattle on cattle drives.
The Cowboys
None and all. Beef cattle were (and are) the main type or class of cattle that cowboys handle and work with on a daily basis. Horses were the animals they used to herd and work with such large, horned ungulates.
Most learned the hard way, through trial and error, but others had mentors that taught them how to know the behaviour of cattle and how to raise and herd them.
Cowboys used a lariat or riatta (the riatta is longer than a lariat) to catch cattle with. They also built pens out of trees or rope, or used natural barriers like box canyons to herd cattle into to sort them and work them to brand and castrate them. Today's cowboys still use the lariat or riatta to catch and treat cattle with, and use steel panels, board fences and the like to herd them into to work them such as during branding time.
A group of cattle is called a herd.
"of a herd of cattle led by ranchers" as you have used it above is already the possessive for of "a herd of cattle led by ranchers"! For example: The herd of cattle which was led by the ranchers bought a farm. The farm is now owned by the herd. It is the herd's farm. It is the farm of the herd of cattle led by ranchers.