Spanish Dictionary

When we left the stadium after the game there were plenty of people on the streets. The neighbors opened their windows to sell grilled meat and the entire street smelled of meat and smoke.
I understand that you use the article 'die' when talking about a feminine object, das when the subject is neutral, and der when talking about a masculine object. But how can you remember all these?
We had a great day in Bolivia and amazing 3 days in the entire area of Northern chile. It was time to move on and we wanted to go South to the capital of Chile. We were so exhausted from our day trip that we immediately fell asleep.
I understand that you use the article 'die' when talking about a feminine object, das when the subject is neutral, and der when talking about a masculine object. But how can you remember all these?
We had a great day in Bolivia and amazing 3 days in the entire area of Northern chile. It was time to move on and we wanted to go South to the capital of Chile. We were so exhausted from our day trip that we immediately fell asleep.