What Is a Speculative Attack on a Currency

Multiple Choice

What is a speculative attack on a currency?

A) National governments decide to engage in competitive devaluations against a given country.
B) International organizations such as the WTO and the IMF attempt to reorder the currency's system.
C) Private investors sell domestic currency and buy foreign currency, betting that the domestic currency will soon be devaluated.
D) Casinos in Las Vegas allow the proliferation of bets for and against a given currency.
E) A country is at war, and the enemy country "freezes" all the accounts denominated in the local currency.