Final answer:
Topic control is the regulation of discussion within writing or dialogue, while restriction refers to limitations imposed by external forces like government laws, affecting activities such as religious freedom and practices.
Step-by-step explanation:
Topic control and restriction are concepts that might be applicable in various contexts, but in the context of this question, it seems to be related to governmental policies and control of information or activities. Topic control refers to the management or regulation of the conversation or discussion within a piece of writing or dialogue to maintain interest and relevance to the target audience. Restriction, on the other hand, is often used in the sense of limitations or constraints applied by external forces, such as government laws and policies. Restrictions can manifest in various forms, including those that impact religious freedom or governmental favoritism of religious groups. For example, requiring religious groups to register to operate or providing funding for religious education can both be seen as forms of restriction.