英语翻译请帮忙翻译几个句子：第一句：The military subjugation of Africa in mode

英语翻译
请帮忙翻译几个句子：
第一句：
The military subjugation of Africa in modern times,and the enslavement of sections of its population,was begun by Portugal in the middle of the 15th century;
这是下文,已经译出来了
in the ensuing years Spain,England,France,and Holland joined in the lucrative undertaking.此后的岁月中,西班牙、英国、法国和荷兰都加入了这项有利可图的事业
第二句上文：The earliest extant record of a slave-catching expedition is that kept by Azurara,leader of a Portuguese venture in1446.现存最早的捕捉奴隶的远征记载是1446年葡萄牙远征队队长阿祖拉拉写的.
第二句：
It is typical of hundreds that were to follow in the generations to come,and we may pause to examine the event as described by its guiding spirit.
Azurara’s ship made land on the West-Central coast of Africa.Soldiers swarmed ashore; captured a few curious souls,and pressed at once inland seeking more victims.They found a community of people,and for the rest,we turn to the record directly.
比较多,请帮忙翻译,会令追加分数.
The beginning of the modern African slave trade preceded Columbus' voyage to the Western World by half a century.It started with Europeans invading the West African coast and seizing its inhabitants,in a rather crude and unorganized fashion,for sale on the European market,especially,in the first years,in Portugal and Spain.

第一句：
The military subjugation of Africa in modern times, and the enslavement of sections of its population, was begun by Portugal in the middle of the 15th century; in the ensuing years Spain, England, France, and Holland joined in the lucrative undertaking.
近代对非洲的军事镇压以及对其部分人口的奴役,早在15世纪中期就由葡萄牙率先启动；此后的岁月中,西班牙、英国、法国和荷兰都加入了这项有利可图的事业.
第二句上文：The earliest extant record of a slave-catching expedition is that kept by Azurara, leader of a Portuguese venture in1446.
现存最早的捕捉奴隶的远征记载是1446年葡萄牙远征队队长阿祖拉拉写的.
第二句：
It is typical of hundreds that were to follow in the generations to come, and we may pause to examine the event as described by its guiding spirit.
Azurara’s ship made land on the West-Central coast of Africa. Soldiers swarmed ashore; captured a few curious souls, and pressed at once inland seeking more victims. They found a community of people, and for the rest, we turn to the record directly.
这是在未来几代数百起事件的典型例子,而我们可以花时间来审视这以指导精神所描述的事件.
阿祖拉拉的船在非洲中西部沿海区着陆.士兵们蜂拥上岸,俘虏了几个好奇的人,并即刻向内陆推进寻找更多受害者.他们找到一个部落社区,接下来的情节,我们直接查阅记载吧.
The beginning of the modern African slave trade preceded Columbus' voyage to the Western World by half a century. It started with Europeans invading the West African coast and seizing its inhabitants, in a rather crude and unorganized fashion, for sale on the European market, especially, in the first years, in Portugal and Spain.
现代非洲奴隶贸易的起源,比哥伦布航海前往西方世界早了半个世纪.由欧洲人侵略非洲西海岸开始,以粗野与无组织的方式掠夺当地居民,然后将他们在欧洲市场销售；尤其是最初几年是在葡萄牙和西班牙的人口市场.
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