By doing research. Looking up things for what you need to know. You can go on you tube and find videos or simply searching for it on your search browser, and reading trusted websites. If you're researching about events or things where there are multiple sides to the story I would always recommend viewing as much sides of the situation as possible, and reaching your own conclusion from that.
When life gets hard you might want to give up but you have to keep going. Life does not allways give you what you want. But you need to try your best and give it the best you can to achieve your goals. People around you are not allways who you think they are. Life is never what you expect it to be but you have to keep on going. There will be hard times but thats how life is and you have to learn to deal with it. So never ever give up and remeber i will allways be there to help you in the toughest times.