Answer:
His official motivation was to outmaneuver suspected diplomatic efforts by the British government for emancipation of slaves in Texas, which would undermine slavery in the United States. Through secret negotiations with the Houston administration, Tyler secured a treaty of annexation
Explanation:
Because it involved countries all over the world, there was new technology such as chemical warfare, tanks, planes, etc. and it was unrestricted warfare. The countries were attacking civilians as well. Also there were diseases.
Answer: Both mean and median family incomes in constant dollar terms have more than doubled since the 1950's thanks to a combination of factors including for example the aforementioned increase in hourly earnings as well as an increase in the labor force participation rate, especially among women.
Explanation: Give me the brainiest
The major challenge that the framers faced when setting out to write the Constitution was to create a document and a system of government that could be inclusive of all of the perspectives and viewpoints of the delegates and states involved in the convention. For fear of more conflict amongst the states it was necessary to work to create a document that would be a grand compromise of the many competing views.