The answer is granting citizenship.
There are both federal and state taxes. Holding courts is both a state and federal power. And states can define criminal acts, as every state has their own statutes, but so can the country as a whole.
The first three and I geuss they probably need money too
The second amendment in the Bill of Rights protects the right to bear arms.
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Answer: uninformed audience and hostile audience
Explanation:
Uninformed audience
Ate those people who don't have much information on your topic so it is your job to ensure that you capture their interest right from the beginning so that they can start to see what you are coming with and probably pay attention to it.
You need to convince them from the beginning so that they can be with you all the way if possible.
In advance you need to find out what information they already have so that you don't end up bogging them.
Hostile audience
These are the individuals who disagree with you from the beginning up to the end because they have a negative feeling or attitude towards the topic and they are hard to convince because their mind are already made up.
These are the ones who will keep making negative remarks as you speak.
They believe they know better on the topic.
The answer is Human
While the other options are always affecting the ecosystems, humans have a greater affect than all of the above
