秦王嬴稷(秦昭(🆓)王)(✒)当(🐽)政不(bú )久,列国展(zhǎn )开一(🃏)系列兼并战(zhàn )争。秦国看准时机(jī )(🎗),先与(🥈)齐连(🛤)横(héng ),攻略魏国大片土(😧)地(dì )。由此,战国(guó )进(❣)入(rù )秦齐赵三(sān )国并强(⚫)阶(🐿)段(duàn )。此(👑)时(shí ),秦(qín )国(guó )国内宣太后掌政(✳),穰侯魏冉等“四贵”专权、,秦昭王王权(😻)旁落。然而外(🕕)部局势对秦国十(⏺)分有利:纵横家(jiā )苏秦与燕王秘约赴齐,以灭秦为目标“死间”齐国。面对国(guó )(🙌)内政治困(kùn )局(㊙)和国外有(yǒu )利(lì )机(jī )遇,秦王嬴(🥫)稷(🤷)毅(yì )然起(qǐ )用范(fàn )雎(🕙),放(😍)逐(zhú )魏(wèi )冉(⛳)等“四贵”、废太后(🧣)之权而(ér )恭养之。同(tóng )时,与苏(💔)秦合谋(🍑),五(🛎)国联军(jun1 )在(🦇)燕将乐(lè )毅率(lǜ )(🐛)领下(⛏)攻(gōng )(🐨)破齐(🥋)国都(dōu )城临淄(zī )。秦(💹)王(wáng )嬴稷遣将(jiāng )白起(qǐ ),相继在伊阙、(🔍)郢都、华阳、长平发动四(👵)大战役,歼灭了韩魏齐楚赵(zhào )百