Hey!
Widespread exploration was made possible in the 1400s by the growth in wealth in Europe as well as new technological developments in ship building that made traveling far distances more attainable. The political regimes of Europe became more centralized at this time and were able to raise more funds to help support the acquisition of new trade routes and territories around the globe. New ships were built and developed at this time that also allowed for further international travel.
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The management of charter colonies was carried out through the system of already established or newly formed traditional institutions of local power included in the general administrative scheme, while other colonies maintained traditional management systems, but adapted them to the needs of the colonial power.
They are both located on the shores of the Aegean Sea.
(They are not very far apart, are not both on islands, and are only partly used for gold/silver mining)
10 i am pretty sure that's the answer