Explanation

“Petticoat Government” refers to a government influenced or controlled by a woman behind the scenes.

Petticoat Government was written by Baroness Orczy, author of The Scarlet Pimpernel, in 1910.

It was released under the title Petticoat Rule in the U.S. in the same year.

The book was released with a third title: "A Ruler of Princes," for a limited printing in 1909.

Explanation

"Intifada" refers to an uprising, particularly associated with Palestinian revolts against Israeli occupation.

The term has been used to describe popular movements of resistance and civil disobedience.

Explanation

Choreography is the art of dancing and designing dance movements.

Explanation

Nuclear fission is the splitting a heavy nucleus into smaller nuclei. 

The word "fission" means splitting, so in nuclear fission, a large, unstable nucleus is split apart into smaller nuclei, releasing energy in the process. 

Explanation

The term digital divide is primarily related to socioeconomic differences in the technology era

Digital Divide means the gap between people who have access to modern technology (like the internet, computers, smartphones) and those who do not.

Explanation

Armageddon refers to a prophesied location and event in religious texts (especially in Christianity),

Symbolizing a final battle between the forces of good and evil at the end of the world.

Explanation

A causeway is a raised path, road, or railway built across wet ground, wetlands, or water.

Serving as a connection between two land areas, often made from compacted earth, sand, or stone, to stay above water or marshy soil

Explanation

Tsunami means "Harbour Waves".

World Tsunami Awareness Day is observed annually on November 5 to create awareness about this deadly disaster.

Explanation

In indirect speech, the present continuous tense (is helping) changes into past continuous (was helping).

The question form changes into a statement form, so no question mark or auxiliary inversion is used.

Explanation

In indirect speech, the question changes into a statement, so auxiliary verbs (do/did) are removed.

The tense changes from present (see) to past (saw) because the reporting verb asked is in the past.