Rwanda (4) was the site of ethnic tensions and a civil war between the Hutu and the Tutsi in the 1990s. In early to middle 1994, the Hutu ethnic majority murdered nearly 800 thousand people, mostly from the Tutsi minority group. The act of attempting to annihilate an ethnic minority by an ethnic majority is known as a genocide. In Rwanda, the genocide began in the capital city of Kigali and spread throughout the rest of the country with lightening speed. It was a brutal and violent period in Rwandan history.
Answer: The Industrial Revolution.
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Tornado, Hurricane, Tsunami, etc
The challenges range from terrorism and violent extremism, to piracy, political instability, elections-related violence, drug trafficking or deadly viruses.
Unfortunately I do not understand what you are needing. It looks to me that you need to look up several facts and then create a presentation on law, public safety, and security careers. And the best place to look that info up on is online. Sorry if this isn't what you need but i do hope that this helps!