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Campaigns will focus on issues rather than controversies
It has already been made compulsory in Tamilnadu
Already before the start of World War 1 most European countries had compulsory military service.
Question is unclear, please rephrase.
Research. Either you have already done the research and you have the knowledge to answer the question, or you go dig for the knowledge by doing the research.
I already answered this question: research it.
U.S. citizens already have compulsory obligations to their country
Helmets are already, in many locations, compulsory for certain activities. Your question is a little too vague; it sounds like you're asking if everyone should have to wear a helmet all the time everywhere, which is ludicrous. I'm sure you had some more specific question in mind, you should try asking that one instead.
yes
Once you have chosen a research question, the next step is to conduct a thorough literature review to understand what research has already been done on the topic. This will help you refine your question, identify gaps in the existing research, and develop a solid theoretical framework for your study.
Background research helps in the design of an experiment because it provides information about why certain measurements are made.
It provides information about why certain measurements are made in an experiment.