The resurgence of russia under ivan iv began in the middle of the 800s ce. 900s ce. 1400s ce. 1500s ce. need answer asap

The resurgence of russa under Ivan IV began in the middle of the 1500s CE. Because he was named Tsar in 1947 assuming absolute power.

Explanation:

Ivan IV was named first Tsar in 1947 because both his parents had died and the different Noble factions and clans moved to seek power, but after a campaign of justice and order he managed to be named Great Prince of Russia, to govern over them and assume absolute control by means of violence and increasing his impact or execution to make them fear him and prevent another move from them. Ivan expanded the relevance and power of Moscow all over Europe, fought and minimized the Mongols and unified territories to strengthen his monarchy.

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: