Answer
Trade brought new civilizations into contact with one another, it often led to the transfer of new technology, such as metals for tools and new farming techniques, from one region to another.
Explanation:
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A: Law enforcement officers are required to uphold the law.
Explanation: Those under law enforcement are given a requirement to uphold the law as their actions are always taken into account in court. For example, an officer is required to read out the rights to an apprehended suspect out of necessity since the Miranda v. Arizona case of 1966 being a staple of how law enforcement officer's actions can be seen as unconstitutional and lose court cases due to it. Law enforcement officers also uphold the law so order within society can be maintained.
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there's you answers for 5-8
It was important for the Roman army to be able to move soldiers and all their baggage around the country. They built roads as straight as possible, in order to travel as quickly as they could. Winding roads took longer to get to the place you wanted to go and bandits and robbers could be hiding around bends.
