Is Taiwan planning to adopt simplified Chinese at all, or will they always use traditional Chinese?

I am currently learning Simplified Chinese. I was wondering if Simplified Chinese is used in mainland China?What kind of Chinese is spoken in China?

I am going to Shanghai for business, I need to translate some documents into Chinese. I need to know if I need to translate it to simplified or traditional?

I know Mandarin and simplified Chinese are written differently,I'm looking into learning Chinese and I'm curious about the spoken portion.

What's Cantonese?Is that simplified or traditional Chinese?

I am trying to add Mandarin as one of my languages for word but it only gives me the option of choosing traditional (Taiwan) or Traditional (Hongkong) or some Simplified Chinese options. What should I choose?

People who have learned Chinese around me tell me that traditional Chinese is difficult than simplified Chinese in writing.What's simple about simplified Chinese writing?

Is Mandarin a form of Simplified Chinese?Are they the same?Is Mandarin the same as Simplified Chinese?

Traditional Chinese is difficult but really interesting.Where to learn traditional Chinese?Is there any recommendation?

Is a good place for international students to learn simplified Chinese?