How many voyages did christopher columbus make and their dates of the expeditions?

1) both gandhiji and bhagat singh believed in ‘inquilab’. however, both of them differed in their strategy to bring about ‘inquilab’. find out a. what does ‘inquilab’ mean? b. what was the strategy followed by the two leaders in bringing about ‘inquilab’? answer it quickly pls

What former head of the cuban secret service was charged with protecting the country's prime minister for nearly 50 years?

What affected the second industrial revolution have on transportation