葡萄牙帝国

新的帝国逐渐形成，开始威胁葡萄牙帝国。

New empires had emerged and started to assault the Portuguese Empire .

为保葡萄牙扩大帝国领土。

To satisfy the Portuguese who wished to enlarge their empire .

此阶段美国主要运用军事扩张的手段排除西班牙、葡萄牙等旧殖民帝国在美洲的势力，保卫以美国为首的西半球的安全。

During this period , U.S. used military expansion to exclude Spanish and Portugal that was in America in order to defend the security of Western hemisphere in which America was the core .

其领土包括南和中美洲的大部分领土，墨西哥，一部分东亚地区（包括菲律宾），伊比利亚半岛（包括从1580开始成立的葡萄牙和它的帝国），意大利南部，德国和荷兰。

The Spanish Empire covered most territories of South and Central America , Mexico , some of eastern Asia ( including the Philippines ) , the Iberian Peninsula ( including Portugal and its empire from 1580 ) , southern Italy , Germany , and the Netherlands .