Many of the concerns raised by anti-federalists were about giving the government too much centralized power, as well as its lack of protections of the rights of citizens (which were laid out in the Bill of Rights and subsequent amendments)
The correct answer is D. Barbed wire allowed farmers to enclose their lands.
Explanation
The great plains are a region of the United States in which different economic activities have been carried out, among which agriculture and cattle raising stand out. However, this relationship was mediated by the disagreement felt by ranchers towards farmers who increasingly covered more areas of this region. For this reason, ranchers broke into the land of farmers and damaged their crops or attacked against farmers lives, for this reason, one of the farmers, tired of this situation, took as inspiration the use that was given to some bushes with thorns that were used as a barrier to prevent entry to private land and created barbed wire to prevent ranchers from entering farmers' land. With this invention, farmers began to fence off their land and limited the enter of ranchers who infiltrated to attack the crops and their owners. According to the above, the correct answer is D. Barbed wire allowed farmers to enclose their lands.
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The primary mission of Al-Qaeda during this time was "to force the Soviet Union's troops out of Afghanistan," since the failed Soviet invasion of this region helped unite many potential supporters of the Al-Qaeda movement.