A treaty/International conventions in other countries. (Outside the US). Most treaties can be about land disputes, military issues, or even just trading.
Electric Light Bulb
Perhaps the most famous American inventor of all time is Thomas Edison.
The answer is the third one
standard oil had about 90% of the market and hurt comsumers
Answer:
it is incorrect because Vikings had already came.
Explanation:
1) Students learn easier
2) child brain development is increasing
3) tests are improving
