"Spain's" is the possessive form of Spain, showing that something belongs to or relates to Spain. It can also act as a contraction of 'Spain is' or 'Spain has' in everyday speech.
After the British took over rule of Jamaica, the Jews decided the best defense against Spain's regaining control was to encourage making the colony a base for Caribbean pirates. Source: Internet
After the "Disaster of the Annual", Spain's war in the Rif went from bad to worse, and as the Spanish were barely hanging onto to Morocco, support for the abandonistas grew as many people could see no point to the war. Source: Internet
Also contributing to the increase of Caribbean piracy at this time was Spain's breakup of the English logwood settlement at Campeche and the attractions of a freshly sunken silver fleet off the southern Bahamas in 1715. Source: Internet
Although Cortés still retained military authority and permission to continue his conquests, viceroy Don Antonio de Mendoza was appointed in 1535 to administer New Spain's civil affairs. Source: Internet
Although Spain's presence in the area had been sporadic, the French created a deep-sea port at Dauphin Island and founded French Louisiana 's capital at Mobile, a few miles north of Mobile Bay on the Mobile River in 1702. Source: Internet
A global investor's discussion of Spain's economic boom. Source: Internet