Why were unions maligned in years past?

Iam gonna fail this class ! 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?

"but let us admit texas, and we shall place the balance of power in the hands of the texans themselves. they, with the southern states, will control the policy and the destiny of this nation; our tariff will then be held at the will of the texan advocates of free trade. are our friends of the north prepared to deliver over this great national policy to the people of texas? " - rep. joshua giddings, ohio, may 21, 1844 this quote points to what major issue in the years leading up to the civil war?

What are two things china and canada have in common