<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
Can you tell me the reasons for the large number of undocumented Latino immigrants in the US?
<|assistant|>
The large number of undocumented Latino immigrants in the US is primarily due to enforcement of existing immigration laws which are often disproportionately enforced against Latin American migrants and family-based migration rules which allow citizens and legal permanent residents of the US to sponsor certain close relatives for migration. Additionally, there are a number of economic factors which drive migration including unequal development, poverty, violence, political instability and opportunities for employment which lead many to pursue dangerous and uncertain journeys in search of better livelihoods. 
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6. Instruction:  Describe the key differences between centralized and distributed system architecture.
6. Input:
<noinput>
6. Output:
Centralized system architecture involves a system having one main or centralized processor which controls all the other resources in the system. The data collected by the processor is distributed to the other resources and the decisions are taken by the processor. On the other hand, Distributed system architecture involves several independent nodes in a network, distributed across multiple locations, which interact with one another to complete a task. Each node has the capability to execute certain functions locally and collect results across the network. 
Thus, the main difference between centralized and distributed system architecture lies in the way in which data is processed and decisions are made. Centralized systems rely on a single authority or processor to handle all the work, while distributed systems enable the processing of data and decision-making to take place concurrently across different locations. Additionally, a distributed system can potentially handle larger data sets and provide enhanced scalability.