Which of the following weapons led to the creation of a "no man's land" between the trenches? airplane tank machine gun poison gas

True exact date for the withdrawal of american combat troops in iraq was set for august 31st 1. 2011 2. 2010 3. 2012

In 2001 mexico imposed a 20% tax on all soft drinks not made from sugar cane high fractals corn sit-up which is made from corn, is often used in place of cane sugar to manufacture soft drinks. which nation would most likely be impacted by mexico’s policy change?

What was the main argument of plessy in plessy v. ferguson