诸葛亮五次北伐,威震魏国关中,魏国为何会先灭蜀国?

2025-02-08 12:51:59
推荐回答(5个)
回答1:

夷陵之战后,蜀国已经是可有可无,魏吴基本不把它作为存在了。魏吴眼里只有对手,彼此对决已经到来。可由于曹丕伐吴的江陵之战因为疫疾撤军,另一次规划的广陵之战也因为天气严寒而作罢。曹丕英年早逝,再也没有机会讨伐孙吴。

令魏吴没有想到的是,蜀汉利用这个战略机遇期,咸鱼翻身。经过诸葛亮五年苦心经营,蜀汉缓过来了,还扎扎实实嘚瑟了一把。这大出曹魏意料,打了曹叡一个措手不及。

公元228年,诸葛亮在曹丕病逝两年后,开始了伐魏。由于曹魏根本没有想到蜀汉还胆敢主动进攻,得到蜀汉进攻的消息,大臣们都很惧怕,可年轻的曹叡却很开心。说:“正愁蜀汉龟缩在山里不出来,不好收拾他,现在出来了正是我打败他的好时机。”

朝中的大臣尚且害怕,就更不用说近十年毫无战事的西北州郡,疏于防御,听说诸葛亮大军北伐,自然更加惧怕。诸葛亮屯兵祁山,南安、天水、安定三郡就投降了诸葛亮。诸葛亮初次出兵,可谓是威震关中、陇右。

这跟关羽发动的襄樊之战,一开始水淹于禁七军,威震华夏;刘备发动伐吴之战,一开始势如破竹一样,在对手毫无防御的情况下,取得战役初期胜利,这算不得啥。

常言道,奶胖不算胖。蜀汉所有的战事包括前期的汉中之战、襄樊之战都是突然袭击。看上去气势很雄壮,三板斧之后,也就偃旗息鼓啦。

诸葛亮也一样,由于安排马谡守街亭这一重大战略失误,诸葛亮第一次北伐很快就失败了。之后的历次北伐,也几无大的收获。

诸葛亮五次北伐、姜维十一次北伐,屡屡无功而返,充分暴露了蜀汉势力严重不足。诸葛亮病逝后,蒋琬、费祎主政时期,认识到了蜀汉的不足,几乎没有挑起对魏国的战事。魏国延续曹丕时期的策略,还是把东吴作为主要的对手。

姜维主政时期,又重新拾起了诸葛亮的衣钵,更加频繁的伐魏,姜维就是典型的“狗不咬用棍捣”的套路。魏国不讨伐你,你惹他干嘛呢?

等魏国跟吴国决战的时候,你背后弄他一下。吴国不亡,蜀汉就安全。但姜维屡屡北伐,把蜀汉的国力彻底拖垮啦。

既然吴国不好对付,那就先把蜀汉灭了吧。蜀汉已经侥幸多生存了四十年,再存在下去,不说魏国,就连刘禅自己也没情绪啦。

之所以曹丕置蜀汉于不顾,先灭吴国,是因为魏国在实力上有灭掉吴国的可能。只要吴国一灭,蜀汉就会缴枪投降。

但曹丕依然不走运,屡屡遇到意外情况的发生,没有实现自己的意愿。

试想一下,夷陵之战后,曹丕随便派遣一员大将,从汉中出兵就会灭掉蜀汉。那时的诸葛亮已经无能为力,再组织像刘备那样的汉中保卫战啦。但曹丕过于轻视蜀汉,没料到诸葛亮沿袭了刘备打不死的小强精神,居然咸鱼翻身啦,这也是历史的偶然性。

等司马昭腾出手来,决意要消灭蜀汉的时候,蜀汉就在劫难逃啦。曹丕先灭吴再灭蜀,跟司马昭先灭蜀后灭吴,都是很正确的战略,只不过司马昭比曹丕运气好一些而已。除此之外,没有根本区别。

回答2:

因为蜀国末期非常腐败,当时的君主的统治能力不行,国家实力也就慢慢衰弱了。

回答3:

因为后来诸葛亮死了,蜀国人才越来越少,内斗不断,国力越来越弱,所以才被曹魏第一个盯上灭国。

回答4:

因为当时曹魏的国力要比蜀汉更强大,手下也是兵多将广,但是蜀汉已经没什么可用的武将了。

回答5:

因为魏国的实力最强大,对于它来说蜀国也才是真正的对手,因此最先灭蜀国。

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