Things that are considered treason are planning war, harboring national enemies, etc. In order to be accused of treason, you will need 2 or more witnesses against the accused or an open confession.
Welfare means well-being and with a minimum support.
General welfare is the concept that all people should have some basic quality of life (home, food, security).
In order to ensure this, there is often a "general welfare"clause in the constitution (US has it, but other countries too).
True.
If you are stopped at an intersection with two-way traffic when an emergency vehicles is approaching, you should remain in place until the emergency vehicle passes.
Spam by definition means 'irrelevant messages sent over the internet' but in the context of teens and social media it basically refers to posting or commenting heaps of stuff, whether it be a spamming of emojis, random words or letters, a particular phrase... Just something that gets said or posted way more times than necessary.
