Answer:
Explanation:
The Antarctic treaty system signed the first arms control agreement. It bans any form of military agreement on the Antarctic, and promotes free scientific investigation. The treaty was signed by 12 countries during the era of the cold war. The only use of military is for peaceful purposes and scientific investigations.
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Answer:
Moreover, Besides, Also, Furthermore.
Explanation:
All of these words above express addition, you can add more information after them, the one you used is more suitable to show contrast between two different things. The two uses that you mentioned are both good, so <em>on the other hand </em>is not the correct option here, if you use <em>on the other hand</em> what comes next should be a <u>negative effec</u>t of the use of medical marijuana.