Answer:The northern economy relied on manufacturing and the agricultural southern economy depended on the production of cotton. The desire of southerners for unpaid workers to pick the valuable cotton strengthened their need for slavery.
Explanation:
Offered advice on getting and keeping power
a more settled agricultural based way of life
<span>The Roosevelt Corollary noted that European nations would not be allowed to interfere in the financial affairs of Latin American nations. In 1905, Roosevelt signed an Executive Order that would allow the US to collect on the debts of the Dominican Republic. The Senate felt that this was a usurpation of their authority to collect duties and taxes, and thereby pressed the administration to re-work the agreement, which was then released in 1905 in such form, but failed to receive the 2/3 vote necessary for ratification. After Roosevelt used the doctrine of modus vivendi to collect the duties, an acceptable treaty was drafted and ratified in early 1907.</span>
I believe the answer is: It delayed or extended nationalist struggles.
The nationalist struggles come after different nations started to fully embodied nationalist movement, which make them tend to incline to prove their nation's superiority over another nations. This type of thinking often lead to conflicts among these european nations.