EASE HELP WILL GIVE BRAINLIEST HELP How has one invention in telecommunication helped lead to the next one?

We used the string telephone to talk to each other from rooms then a new technology was found called electricity we used electricity and waves in the atmosphere to communicate with others (the kind where we had to put our finger into the hole and find the number) then another type was invented and we had easier ways of making calls with only tapping our finger on a button. Then lastly we used smartphones that have touch screen and things to help us. Like playing games and seeing each other when talking. each telecommunication device had improved dramatically and each one made gave the next person more information on how to build a new and better telecommunication device.

answer: an oligarchy is a political system in which the government is run by a group of noble families, or the elite wealthy members of a society. a present day oligarchic government is iran.

explanation:

the correct answer option is: weapons.

explanation:

tensions rose as the two opposing superpowers competed for 'weapons'.

referring to the cold war (1945-1991), the two superpowers, usa and ussr, experienced a phase of struggle and conflict with each other. these two superpowers considered each other as a threat to their survival and thus opted for policies to strengthen their positions.

the two superpowers never went to war with each other directly but competed for weapons to preserve their positions.