What was the significance of the Treaty for Peace and Commercial Harmony Between Florence & St. Gimignano, 1225?

this will help http://legacy.fordham.edu/halsall/source/1225florence-gig.asp

Explanation:

Economic relationships between cities frequently necessitated the formulation of agreements between them relating to commerce and other matters. Conflicts between debtor and creditor inevitably arose, especially where the contracting parties lived in different cities, and for the settlement of such disputes cities, or, as in England, merchant gilds, made agreements. Cities also often borrowed in their corporate capacity as is evident from the relations between Pisa, Florence, and St. Gimignano. The low rate of interest, about 7.5 per cent, paid on the money given to Florence, indicates a state of security not very common in private transactions of a like nature."

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.