I would like to discuss the 3 major factors that lead to success in Starcraft 2. The first is multi-tasking and having a good start. In all games in is important to have a good start and in Starcraft is even more important. This is because Starcraft is a RTS meaning Real Time Strategy and in RTS games time is very valuable. Multi-tasking bolsters this because you can then efficiently and quickly have a good start. Without multi-tasking, you will be behind everyone else resulting in a declination of success.
Another factor is ways to build your battalions and economy. When building your battalions, it is essential to build both air and ground units to gain advantages. Then you will also not face any disadvantages from not being able to attack certain types of forces. Constantly building your economy is also essential because it gives you resources. Without these resources, you can't build anything and will slow you down .
Lastly, the attacking tactics you use impacts if you succeed or not. You need to use tactics in order to baffle the other forces so that you can destroy them. There are many tactics but as long as you are creative and intelligent, you are fine. All in all, with these 3 factors you will be led to success. By thinking and developing, you will learn and upgrade on your level!