Why did the colonists feel it was appropriate and necessary to boycott british tea

Because the British didn't allow them to buy any other tea except from one company, they also made tea more expensive for merchants that were trying to import and export.  

he did it to save us from our sins, so we can see him in heaven 1 day. it's because he loves us so much. he used himself as the final sacrifice, so that we could be forgiven for our sins, so that we can see him in heaven, if we believe.