Answer:Here are the answers to your questions based on historical context:1. Governor-General: The first governor-general to the Philippines under Bourbon command who arrived in 1778 was José de Basco y Vargas.2. Main Trade: The main trade of the Philippines that was opened to world trade by 1834 was sugar.3. Economic Trade Institution: The main economic trade institution existing between the Philippines and Mexico was the Manila-Acapulco Galleon Trade.4. Established Institution in 1875: The institution established in 1875 to finance agricultural ventures was the Banco Español-Filipino, which later became known as Bank of the Philippine Islands (BPI).5. Cash Crop: One of the cash crops that comprised the major agricultural products for export was sugar cane.6. Tenant Definition: A tenant who rented land from the friars and subleased it to sharecroppers is known as a lessor or arrendador.7. Agreement for Selling Land: The agreement that allowed a landowner to sell land with the guarantee of buying it back at the same price is called a "right of redemption."8. Wealth Accumulation: The mestizos played a significant role in the economy during the Spanish colonial period as they purchased land, accumulating wealth and influence.9. Individual Renting Land: An individual who rented land from a tenant and cultivated it is referred to as a sub-tenant or sharecropper.10. Chinese Territory: The Chinese territory established in 1581 outside the walls of Intramuros was called Binondo.11. Necessary Outsiders: The Chinese were considered the "necessary outsiders" in the Philippine colonial economy and society.12. Pure-Blooded Natives: The pure-blooded natives of the Philippines are referred to as Indios.13. Decree for Education: The decree that mandated free primary education was the Education Decree of 1863.14. Governor-General for Surnames: The Governor-General who implemented the 1849 decree urging people to adopt surnames was Governor-General Narciso Clavería.15. Wealthy Pure-Blooded Natives: The wealthy pure-blooded natives supposedly descended from the kadatoan class are known as Principalia.These responses summarize significant aspects of Philippine history during the Spanish colonial period. If you would like more detailed explanations or sources, feel free to ask!